Used to open and close underfloor heating water separator, central air conditioning (water system) and small valves. Controls the flow of water through the underfloor heating system, suitable for temperature control in homes, hotels, shopping malls and other places. Simple installation, 2-wire connection, one valve per circuit, installation size M30 x 1.5mm Normally closed actuator, opens automatically when energized, no noise, maintenance free. Small size, light weight, space saving. 3W low power consumption, energy saving. Voltage AC 230V, 50/60Hz Power: 3W Inrush current 250mA max. Type: NC (Normally Closed) NC (Normally Closed) Protection class: IP54 Storage temperature: -5℃-50℃ Colour:black Material:plastic Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 * Electric heating actuator