HWEIH 1/5 Pieces 230V Normally Closed NC M28*1.5mm Electric Thermal Actuator for Underfloor Heating Thermostatic Radiator Valve(5 White)

Used for opening and closing of floor heating water separator, central air conditioner (water system) and small valve. Controls water flow through an underfloor heating system, suitable for temperature controlling at home, in hotels, malls, etc. Easy installation, 2-wire connection with one valve per loop, M28 * 1.5 installation size. Normally closed actuator, automatically turn on when powered up, noiseless and maintenance-free. Mini size, lightweight and space-saving., Weight: 0.110231131 pounds, Manufacturer: HWEIH