DescriptionThe item is a professional and practical normally closed type DC 12V electric solenoid controller, which is mainly made of durable hard plastic and copper materials, and can be used with liquid such as water and low viscosity fluids. With easy and safe to use, the solenoid can be used for pressure solar water heater and the same type of water control system.Features- Color: as shown in the pictures. - Material: durable hard plastic and copper. - Size: about 88.85cm /3.153.461.97 inch. - Connector diameter: about 20mm. - and Electric Pressure Solar Water Heater Solenoid Controller. - Operating voltage: DC 12V. - Use of media: liquid, such as water and other liquid. - Applications: pressure solar water heater and the same type of water control systerm. - Type: Normally closed (When the power is switched on to open the valve, close the when power off.) - Medium temperature is about: 1C to 100C. - Connection: is exceptionally thread. - Voltage range:10% of rated voltage. - Water pressure range: 0.02 to 0.8Mpa. - Filtering capabilities: removable cleaning filtration devices. - Action characteristics: 100,000 times without exception. - Return function: Possess.