During the production of vertical mount float switch, Sanqiaohui (foshan) New Material Co., Ltd. makes efforts to achieve high quality. We adopt a scientific production mode and process to improve the quality of the product. We push our professioanl team to make great technical improvements and meanwhile pay great attention to the production details to ensure that no defects come out from the product.
Customers make their purchase decision on the products under the brand Sanqiaohui. The products excel others in reliable performance and high cost-effectiveness. Customers reap profits from the products. They return positive feedback online and tend to repurchase the products, which consolidates the image of our brand. Their trust in the brand brings more revenues to the company. The products come to stand for the brand image.
The company provides one-stop services for customers at Sanqiaohui, including product customization. The sample of vertical mount float switch is also available. Please refer to the product page for more details.
Welcome to our article on the Vertical Magnetic Float Switch: Understanding Its Unique Advantages and Applications. If you're intrigued by the concept of a magnetic float switch and curious about its benefits and potential uses, then you're in the right place. This comprehensive guide aims to shed light on this innovative technology, exploring how it works and its distinguishing advantages in various industries. Whether you're a business owner, an engineer, or simply seeking to expand your knowledge, join us as we delve deeper into the world of vertical magnetic float switches and discover their endless possibilities.
to Sanqiaohui's Vertical Magnetic Float Switch
Exploring the Advantages of Vertical Magnetic Float Switches
Various Applications and Industries that Benefit from Vertical Magnetic Float Switches
Factors to Consider When Choosing a Vertical Magnetic Float Switch for Your Needs
Installation and Maintenance Tips for Vertical Magnetic Float Switches
to Sanqiaohui's Vertical Magnetic Float Switch
Sanqiaohui, the renowned leader in industrial automation solutions, is proud to present its innovative product, the Vertical Magnetic Float Switch. Designed to provide accurate liquid level detection and control, this cutting-edge technology has gained popularity in various industries worldwide due to its unique advantages and applications.
Exploring the Advantages of Vertical Magnetic Float Switches
Vertical Magnetic Float Switches offer several advantages over traditional float switches. Their design includes a magnetic float that moves vertically along a stem, activating the switch at predetermined levels. Among the notable advantages are:
1. Durability: Sanqiaohui's Vertical Magnetic Float Switches are constructed with high-quality materials, ensuring optimal performance and longevity in even the harshest environments.
2. Versatility: These switches are compatible with a wide range of liquids, including water, oils, chemicals, and more, making them suitable for diverse industrial applications.
3. Precise Liquid Level Detection: The magnetic float's movement provides accurate liquid level detection, enabling efficient control of industrial processes and preventing overflow or dry-run situations.
4. Fail-Safe Operation: Sanqiaohui's Vertical Magnetic Float Switches are designed with redundant switches, ensuring reliable operation by offering a backup activation mechanism in case of any malfunctions.
5. Easy Installation: With simple mounting options, these vertical switches can be easily installed in various configurations, such as top-mounted or side-mounted, depending on the specific application requirements.
Various Applications and Industries that Benefit from Vertical Magnetic Float Switches
The versatility of Sanqiaohui's Vertical Magnetic Float Switches makes them invaluable in numerous industries. Some notable applications include:
1. Water Treatment Plants: These switches are used for level monitoring in water storage tanks, ensuring efficient management and preventing overflow or dry pumps.
2. Chemical Processing: Vertical Magnetic Float Switches play a crucial role in controlling liquid levels in mixing tanks, ensuring accurate dosing and avoiding unwanted chemical reactions.
3. Food and Beverage Industry: In bottling plants and storage vessels, these switches help maintain optimal liquid levels, preventing costly spillages and ensuring uninterrupted production processes.
4. Oil and Gas: Vertical Magnetic Float Switches are used in oil tanks and pipelines, providing crucial level monitoring for efficient storage and distribution.
5. Waste Water Management: These switches contribute to the effective management of sewage systems, preventing overflow or underflow situations and improving overall system reliability.
Factors to Consider When Choosing a Vertical Magnetic Float Switch for Your Needs
Selecting the right Vertical Magnetic Float Switch for your application requires careful consideration of various factors. These include:
1. Liquid Compatibility: Ensure that the switch and its materials are compatible with the liquid being monitored to prevent corrosion or malfunction.
2. Operating Conditions: Consider the temperature, pressure, and environmental conditions in which the switch will operate to guarantee reliable performance.
3. Mounting Options: Evaluate the available space and choose the appropriate mounting configuration (top-mounted, side-mounted) for seamless installation.
4. Output Requirements: Determine whether a simple on/off switch or a switch with additional output options (such as a relay or analog output) is needed for your application.
5. Maintenance and Support: Consider the ease of maintenance, availability of spare parts, and manufacturer support to ensure minimal downtime and optimal performance.
Installation and Maintenance Tips for Vertical Magnetic Float Switches
To ensure the longevity and reliable operation of Sanqiaohui's Vertical Magnetic Float Switches, follow these installation and maintenance guidelines:
1. Follow the manufacturer's instructions for proper installation, ensuring correct alignment and mounting.
2. Regularly inspect the stem and float for any signs of wear or damage, and replace components as necessary.
3. Clean the switch and float regularly, especially if the liquid being monitored contains debris or contaminants.
4. Test the switch periodically to verify its reliable operation and responsiveness.
5. If any issues arise, contact Sanqiaohui's customer support for prompt assistance and guidance.
In conclusion, Sanqiaohui's Vertical Magnetic Float Switch offers numerous advantages and finds applications across various industries, providing accurate liquid level detection and control. By understanding its unique features and considering key factors during selection and installation, users can ensure optimal performance, increased efficiency, and improved system reliability.
In conclusion, the vertical magnetic float switch proves to be a game-changer in various industries, thanks to its unique advantages and versatile applications. With our 20 years of experience in the field, we have witnessed firsthand the immense benefits this innovative technology brings to businesses. Its ability to detect liquid levels accurately, withstand harsh environments, and cater to a wide range of liquids makes it an invaluable tool for industries such as wastewater treatment, food processing, and oil and gas. Furthermore, its simple installation and maintenance make it a cost-effective choice for companies of all sizes. As we continue to evolve in this ever-changing landscape, we are committed to providing our customers with the latest advancements in vertical magnetic float switch technology, enabling them to streamline their processes, enhance efficiency, and ultimately achieve greater success.
Welcome to our informative article on "Preventive Maintenance Strategies for Long-Lasting Vertical Mount Liquid Level Switches." If you are interested in maximizing the durability and efficiency of your vertical mount liquid level switches, then you have come to the right place. In this article, we will explore various preventive maintenance techniques that can significantly extend the lifespan of these essential components. By implementing these strategies, you can ensure smooth operations, reduce downtime, and ultimately save both time and money. Join us as we delve into the world of preventive maintenance for vertical mount liquid level switches and discover how you can enhance their performance and longevity.
to Sanqiaohui and Vertical Mount Liquid Level Switches
Understanding the Importance of Preventive Maintenance
Proactive Steps for Maintaining Vertical Mount Liquid Level Switches
Recommended Maintenance Tools and Techniques
Extending the Lifespan of Vertical Mount Liquid Level Switches with Sanqiaohui
Sanqiaohui, a leading manufacturer of industrial automation solutions, takes pride in its range of vertical mount liquid level switches. These sophisticated devices play a critical role in various industries, ensuring accurate measurements and preventing potential mishaps. To maximize the lifespan and performance of these switches, it is essential to implement preventive maintenance strategies. This article explores the importance of preventive maintenance and provides practical tips for achieving long-lasting vertical mount liquid level switches.
Understanding the Importance of Preventive Maintenance:
Preventive maintenance is a proactive approach aimed at identifying and addressing potential issues before they lead to system failures. By regularly inspecting, cleaning, and servicing vertical mount liquid level switches, Sanqiaohui ensures their optimal functionality and minimizes unplanned downtime. Neglecting preventive maintenance can result in inaccurate readings, equipment damage, and costly repairs. Therefore, it is crucial to develop a maintenance plan to protect your investment and maintain smooth operations.
Proactive Steps for Maintaining Vertical Mount Liquid Level Switches:
1. Regular Inspection: Schedule routine inspections to identify any signs of wear, damage, or deterioration. Look out for loose wiring connections, corrosion on the terminals, or physical damage to the switch housing. Promptly addressing these issues can prevent malfunctioning and enhance the longevity of the switch.
2. Thorough Cleaning: Over time, liquid residue, dust, or other contaminants may accumulate on the switch's surface, obstructing its proper functioning. Clean the switch and its surroundings using a mild detergent solution or an appropriate cleaning agent recommended by Sanqiaohui. Ensure that the switch is disconnected before cleaning and follow all safety guidelines.
3. Calibration Checks: Periodically calibrate the switch to maintain accurate level measurements. Deviations in calibration can lead to incorrect readings, risking operational efficiency and safety. Consult Sanqiaohui's guidelines for recommended calibration procedures and tools.
4. Lubrication and Maintenance of Moving Parts: Some vertical mount liquid level switches have moving parts that require regular lubrication. Follow the manufacturer's instructions to ensure proper lubrication without overdoing it. Additionally, inspect the switch's mechanical components to detect any signs of wear and tear and replace them promptly if necessary.
Recommended Maintenance Tools and Techniques:
While conducting preventive maintenance, it is essential to have the right tools and techniques at hand. Consider utilizing the following:
1. Multimeter: A digital multimeter helps you diagnose and troubleshoot electrical issues, measure voltage, resistance, and continuity, ensuring the switch's electrical components are functioning correctly.
2. Cleaning Kit: Invest in a cleaning kit including lint-free cloths, cleaning agents, and brushes specifically designed for electronics. Sanqiaohui may provide recommendations based on the switch model.
3. Calibration Equipment: Depending on the switch design, you may require specific calibration tools such as reference standards, signal generators, or proprietary software for precise calibration checks.
4. Lubricants: Consult with Sanqiaohui to determine the appropriate lubricant for your specific vertical mount liquid level switch. Ensure the lubricant is compatible with the materials used in the switch's construction.
Extending the Lifespan of Vertical Mount Liquid Level Switches with Sanqiaohui:
Sanqiaohui's commitment to quality, reliability, and durability makes their vertical mount liquid level switches an ideal choice for industrial applications. By following the preventive maintenance strategies mentioned above, businesses can expect these switches to operate optimally for an extended period. Regular inspections, cleaning, calibration checks, and the use of recommended maintenance techniques and tools will enhance the longevity and performance of Sanqiaohui's vertical mount liquid level switches.
In conclusion, preventive maintenance is essential for ensuring the longevity and reliability of vertical mount liquid level switches. By incorporating these strategies into your maintenance plan, with Sanqiaohui's guidance, you can extend the lifespan of your switches, reduce unexpected failures, and maintain efficient operations in your industrial processes.
In conclusion, after 20 years of experience in the industry, our company understands the critical importance of preventive maintenance strategies for ensuring the long-lasting functionality of vertical mount liquid level switches. From the findings discussed in this article, it is evident that adopting these strategies can significantly enhance the lifespan and performance of these switches, ultimately benefiting businesses in various sectors. By regularly inspecting, cleaning, and calibrating the switches, as well as implementing preventative measures such as protective casings and adequate sealing, operators can minimize the risk of malfunctions and potential downtime. Furthermore, by partnering with a reputable and knowledgeable supplier like ours, organizations can leverage extensive expertise and tailored maintenance protocols to optimize the reliability of their liquid level switches. Embracing preventive maintenance strategies is not just a pre-emptive measure, but a smart investment that will undoubtedly contribute to the smooth operation and efficiency of industrial processes. Trust in our 20 years of experience and expertise, and allow us to assist you in implementing these strategies for the longevity of your vertical mount liquid level switches.
Are you curious about the latest advancements in measurement technology? Look no further! In our fascinating article titled "Precision in Measurement: How Water Flow Meter Switches are Transforming Industries," we dive deep into the revolutionary impact of water flow meter switches across various sectors. Discover how these remarkable devices are revolutionizing industries, optimizing processes, and ensuring unprecedented accuracy in measurement. Join us on this enlightening journey to unlock the potential of these transformative devices and stay ahead of the curve. Don't miss out on this captivating exploration – read on to satiate your thirst for knowledge!
The Growing Importance of Water Flow Meter Switches
Sanqiaohui, a leading provider of precision measurement solutions, is revolutionizing industries with its advanced water flow meter switches. As industries become more reliant on accurate water measurement, these innovative devices are transforming the way businesses operate. This article explores the significance of water flow meter switches in various industries and highlights the key features and benefits offered by Sanqiaohui's cutting-edge technology.
Enhancing Efficiency and Accuracy with Sanqiaohui's Water Flow Meter Switches
Water flow meter switches are essential tools in managing water consumption and optimizing efficiency across industries. Sanqiaohui's state-of-the-art switches offer unparalleled precision, enabling businesses to monitor and control water flow with utmost accuracy. By ensuring the right amount of water is used in various processes, Sanqiaohui's water flow meter switches contribute to reduced costs, improved productivity, and enhanced environmental sustainability.
Applications of Water Flow Meter Switches in Industrial Processes
Sanqiaohui's water flow meter switches find diverse applications across an array of industries. From manufacturing plants to agricultural operations, these devices play a crucial role in maintaining operational efficiency. In industrial processes, water flow meter switches accurately measure flow rates, allowing businesses to monitor usage, detect leaks, and identify equipment failures promptly. This real-time data empowers organizations to make informed decisions for improved performance and optimized resource allocation.
Advantages and Features of Sanqiaohui's Water Flow Meter Switches
Sanqiaohui's water flow meter switches are designed with cutting-edge technology to deliver numerous advantages to industries. These advanced devices offer high accuracy, repeatability, and durability, ensuring long-term reliability. With an extensive flow range and low-pressure loss, Sanqiaohui's water flow meter switches can accommodate a wide range of applications seamlessly. The digital display allows for easy monitoring, while the compact design and user-friendly interface enable effortless installation and maintenance.
The Future of Water Flow Measurement with Sanqiaohui
As industries continue to embrace digitalization and automation, the demand for precise water flow measurement solutions is growing rapidly. Sanqiaohui, committed to innovation and customer satisfaction, is at the forefront of this technological evolution. With ongoing research and development efforts, Sanqiaohui aims to further enhance the functionality and features of its water flow meter switches, ensuring they meet the evolving needs of industries across the globe. By continuously pushing the boundaries of precision measurement, Sanqiaohui is poised to play a significant role in shaping the future of water flow measurement technology.
In conclusion, Sanqiaohui's water flow meter switches are revolutionizing industries by providing unparalleled accuracy and efficiency in water flow measurement. With their wide applicability, advanced features, and future-focused approach, Sanqiaohui is poised to transform the way businesses across diverse sectors manage their water resources. As industries increasingly recognize the importance of precision in measurement, Sanqiaohui's commitment to delivering innovative solutions positions them as the go-to provider in the field.
In conclusion, the evolution and advancements in water flow meter switches have truly transformed industries across the globe. With our company's 20 years of experience in the industry, we have witnessed firsthand the significant impact these precision instruments have had on various sectors. From ensuring accurate measurement of water flow in industrial and residential settings to optimizing processes and enhancing productivity, these switches have become the backbone of many operations. As industries continue to evolve and demand more precise measurements, we must continually innovate and adapt to meet their ever-changing needs. With our dedication to providing state-of-the-art technology and unwavering commitment to customer satisfaction, we are excited to lead the way in empowering industries with the transformative capabilities of water flow meter switches. Together, we can revolutionize the way businesses operate, drive efficiency, and contribute to a sustainable future.
Welcome to our article on Troubleshooting Common Issues with Flow Switches in Plumbing Systems! Whether you're a homeowner or a plumbing professional, we understand the frustration that arises when flow switches malfunction. In this comprehensive guide, we will delve into the most prevalent issues that you might encounter with flow switches and provide you with practical solutions to resolve these problems effectively. From understanding the basic functioning of flow switches to troubleshooting techniques that can save you time and money, we've got you covered. So, if you're ready to regain control over your plumbing system and ensure smooth operations, read on to discover expert tips and insights that will leave you feeling empowered and confident.
Understanding the Importance of Flow Switches in Plumbing Systems
Identifying and Resolving Common Flow Switch Problems
Maintaining Optimal Functionality of Flow Switches
Troubleshooting Tips for DIY Flow Switch Repairs
Upgrading to Sanqiaohui Flow Switch for Enhanced Performance
Flow switches play a crucial role in plumbing systems, ensuring the efficient and safe delivery of water. However, like any mechanical device, flow switches can encounter various issues over time. In this article, we will explore the importance of flow switches, identify common problems that can arise, provide tips for troubleshooting and maintaining them, and introduce the superior performance of Sanqiaohui flow switches.
Understanding the Importance of Flow Switches in Plumbing Systems
Flow switches are essential components in plumbing systems as they monitor the flow rate of water. They act as safety devices, ensuring the system operates as intended and preventing potential damage. Flow switches are particularly important in situations where water flow needs to be constant, such as in commercial buildings, industrial facilities, and fire suppression systems. By promptly detecting deviations in flow, flow switches can trigger alarms or cutoff mechanisms, preventing water-related disasters.
Identifying and Resolving Common Flow Switch Problems
2.1 Low Water Pressure:
One common issue encountered with flow switches is low water pressure, which can lead to inaccurate flow measurements and malfunctioning of the switch. This problem often stems from a dirty or clogged water filter or an insufficient supply of water due to valve restrictions. Regularly cleaning the filter and checking for any pipe or valve blockages can help resolve this issue.
2.2 Stuck Switch:
Another common problem is a stuck flow switch, where it fails to respond to changes in water flow. This can result from mineral deposits or debris build-up around the paddle or mechanism. Gently cleaning the switch internals with a non-abrasive cleaner and removing any obstructions can restore proper functionality.
Maintaining Optimal Functionality of Flow Switches
To ensure the optimal performance of flow switches and prevent issues, regular maintenance is crucial. Here are a few maintenance practices to follow:
3.1 Cleaning and Inspection:
Periodically inspecting the flow switch for any signs of damage or blockages and cleaning it when necessary is vital for long-term performance. Use manufacturer-recommended cleaning solutions and avoid using harsh chemicals that may damage the switch.
3.2 Calibration:
Some flow switches may require periodic calibration to maintain accurate readings. Consulting the manufacturer's instructions or getting professional assistance for calibration is recommended to ensure precise measurements.
Troubleshooting Tips for DIY Flow Switch Repairs
4.1 Check Electrical Connections:
Before assuming a flow switch problem, it is essential to check the electrical connections and circuitry associated with it. Loose or damaged connections can result in an incorrect reading or no response at all.
4.2 Verify Water Pressure:
Ensure that the water pressure is within the recommended limits specified by the manufacturer. Excessively high or low pressure can affect the switch's functionality.
Upgrading to Sanqiaohui Flow Switch for Enhanced Performance
Sanqiaohui flow switches are renowned for their reliability, precision, and durability. Designed with advanced technology and manufactured to the highest industry standards, Sanqiaohui flow switches deliver accurate flow measurements and effortless integration into plumbing systems. By upgrading to Sanqiaohui flow switches, you will gain peace of mind knowing that your plumbing system is equipped with a superior and trusted brand.
Flow switches are vital components in plumbing systems, ensuring water flow is controlled and monitored accurately. By understanding common issues, performing regular maintenance, and considering an upgrade to Sanqiaohui flow switches, you can enjoy enhanced performance and optimal functionality in your plumbing system. Remember to follow troubleshooting tips and consult professional assistance whenever needed for effective problem-solving.
In conclusion, troubleshooting common issues with flow switches in plumbing systems requires a deep understanding of the intricacies involved. With 20 years of experience in the industry, our company has gained valuable insights and expertise to effectively address these challenges. Our team has encountered and resolved numerous problems related to flow switches, and we are proud to offer our knowledge and services to ensure the smooth functioning of plumbing systems. Whether it's detecting low or excessive flow rates, addressing inconsistent readings, or identifying faulty switch mechanisms, our experienced professionals are equipped to provide comprehensive solutions. Trust in our proven track record and extensive experience to overcome any flow switch issue and maintain optimal performance in your plumbing system. Contact us today to harness the benefits of our industry-leading expertise and ensure the success of your plumbing operations.
Welcome to our latest article on the exciting advancements in Water Flow Sensor Switch Technology! Water flow sensors are integral to various industries, ensuring efficient water usage, preventing wastage, and promoting environmental conservation. In this piece, we delve into the newest innovations that are revolutionizing this technology. From enhanced accuracy to improved durability, these groundbreaking developments are set to transform the way we manage water systems. Join us as we explore the cutting-edge features and benefits of these state-of-the-art sensors, shedding light on how they can benefit businesses and homeowners alike. Prepare to be amazed by the incredible possibilities that lie ahead in the world of water flow sensor switch technology. Let's dive right in!
Innovations in Water Flow Sensor Switch Technology: What's New?
The Evolving World of Water Flow Sensors
Introducing Sanqiaohui: Revolutionizing Water Flow Monitoring
Cutting-Edge Features and Benefits of Sanqiaohui Water Flow Sensor Switches
Enhanced Efficiency and Versatility: Advancements in Sanqiaohui Water Flow Sensor Switches
The Future of Water Flow Sensor Switch Technology: What to Expect from Sanqiaohui
The Evolving World of Water Flow Sensors
Water flow sensors have become indispensable devices that play a crucial role in numerous industrial, commercial, and residential applications. Whether it's monitoring water consumption, detecting leaks, or controlling irrigation systems, the accuracy and reliability of water flow sensors are vital for efficient water management. Over the years, technology has advanced rapidly, allowing for innovative solutions that optimize the functionality of these sensors. One brand at the forefront of this revolution is Sanqiaohui.
Introducing Sanqiaohui: Revolutionizing Water Flow Monitoring
Sanqiaohui is a leading industry player specializing in cutting-edge water flow sensor switches. With a commitment to technological advancement and customer satisfaction, Sanqiaohui has established itself as a reliable and innovative brand, renowned for its exceptional products. The company's water flow sensor switches are designed to provide accurate measurements, real-time monitoring, and seamless integration into various systems.
Cutting-Edge Features and Benefits of Sanqiaohui Water Flow Sensor Switches
Sanqiaohui water flow sensor switches boast a range of features and benefits that set them apart from traditional sensors on the market. One such innovation is their compact and durable design, ensuring longevity and resistance to environmental factors. Additionally, the sensors are equipped with advanced microprocessors, enabling precise measurements and minimization of errors.
Furthermore, Sanqiaohui water flow sensor switches are compatible with various pipe sizes and materials, making them suitable for a wide range of applications. The brand offers customizable options to cater to specific needs, ensuring seamless integration into existing systems.
Enhanced Efficiency and Versatility: Advancements in Sanqiaohui Water Flow Sensor Switches
Sanqiaohui has focused on enhancing the efficiency and versatility of its water flow sensor switches. By integrating wireless connectivity and data transmission capabilities into their sensors, the brand has simplified the monitoring process. Users can access real-time data remotely, allowing for immediate response to any irregularities or malfunctions.
In addition, Sanqiaohui water flow sensor switches feature advanced algorithms and intelligent programming, enabling seamless automation. The sensors can detect abnormal flow rates, leaks, or pipe blockages and trigger appropriate responses, such as shutting off valves or sending notifications. This level of automation not only ensures optimal water management but also reduces downtime and maintenance costs.
The Future of Water Flow Sensor Switch Technology: What to Expect from Sanqiaohui
Sanqiaohui is dedicated to continuous innovation and strives to remain at the forefront of water flow sensor switch technology. Looking ahead, the brand aims to integrate smart technologies, such as Internet of Things (IoT) connectivity and artificial intelligence (AI), into their sensors. This will further enhance their capabilities, allowing for predictive maintenance, adaptive control, and even more efficient water management.
With Sanqiaohui's commitment to excellence and customer satisfaction, users can expect revolutionary advancements in water flow sensor switch technology. The brand's focus on accuracy, durability, versatility, and automation ensures that Sanqiaohui sensors will continue to be the go-to choice for water flow monitoring in diverse industries and applications.
In conclusion, the water flow sensor switch technology is rapidly evolving, and Sanqiaohui is leading the way with its innovative products. With enhanced efficiency, versatility, and the promise of a technologically advanced future, Sanqiaohui water flow sensor switches are revolutionizing the way water is managed and monitored.
In conclusion, the ever-evolving field of water flow sensor switch technology holds immense promise for the future. Through the relentless pursuit of innovation, our company, with its 20 years of industry experience, is dedicated to staying at the forefront of this exciting industry. As we continue to introduce breakthroughs in water flow measurement, we aim to enhance efficiency, conserve resources, and improve the lives of people around the world. By embracing new technologies and constantly pushing the boundaries, we remain committed to pioneering advancements that will shape the way we manage water flow for years to come. With each passing year, we eagerly anticipate the new possibilities and endless opportunities that this vibrant industry has to offer. Together, let us embark on an exciting journey of discovery and embrace the ever-unfolding innovations in water flow sensor switch technology.