WORKING TEMPERATURE: 0-80. Flow Direction: Uni-Directional LONG LIFE: The electric solenoid valve is made of high quality plastic and brass, with long life. ADVANTAGE: Continuous power for 12 hours, no leakage, no deformation of the valve body, coil not burnt. NORMALLY CLOSED TYPE: Turn on the water when the system starts and turn off the water when the system stops . APPLICATION: It is suitable for automatic cleaning of electrical equipment, solar water heater, garden jet irrigation, infrared probe cleaning device, automatic billing system etc. . This electric solenoid valve is N/C normally closed type. When the hydrostatic pressure was 1.2Mpa, it can last 5min. No breakage, no deformation, no leakage. One-way check valve design, not straight, no blocked phenomenon. Outlet end with check function, suitable for solar water heater. Specifications: Material: plastic, brass Connection form: external thread Applicable media: water Flow direction: one way Operating temperature: 0-80 Voltage: DC12V Pressure: 0.02-0.8Mpa Thread: G1/2 Size: 8.3 x 7.8cm / 3.2 x 3inch Package Included:1 x Electric Solenoid Valve