1、Stable performance: induction chamber, magnetic control chamber and electronic components are designed separately in order to avoid switch failure caused by iron matter in pipeline is magnetic adsorbed. 2、High temperature resistant materials allows the product to be used for both hot and cold water. 3、Low water pressure startup: reset spring is made of high quality stainless steel; it can start up pump when water pressure is >0.03KG. 4、Electronic components are used as the control devices to make the product no spark and completely enclosed in the work. 5、This product is widely used for low pressure area family, especially important for low water pressure ignition start-up of water heater, automatic water cycle of solar water heater. Features: 1. Stable performance: induction chamber, magnetic control chamber and electronic components are designed separately in order to avoid switch failure caused by iron matter in pipeline is magnetic adsorbed. 2. High temperature resistant materials allows the product to be used for both hot and cold water. 3. Low water pressure startup: reset spring is made of high quality stainless steel; it can start up pump when water pressure is >0.03KG. 4. Electronic components are used as the control devices to make the product no spark and completely enclosed in the work. 5. This product is widely used for low pressure area family, especially important for low water pressure ignition start-up of water heater, automatic water cycle of solar water heater. 6. The sensitivity of this flow switch is adjustable. Specification: Condition: 100% Brand New Item Type:  Flow Switch Material: Copper Color: As Picture Shown Universal Voltage: 12V 24V 220V Liquid Pressure: ≤0.6Mpa Liquid Temperature:≤100℃ Weight: Approx. 135g / 4.8oz Size: Approx. 6.6 * 5.6cm / 2.6 * 2.2in Package List: 1 * Flow Switch 2 * Rings