Coal Gas

If you are looking for one of the best customized knob mechanical underfloor heating thermostat-htw-21-23 series manufacturers and suppliers,Website:http://www.hvac-partners.com, or a professional factory, Hotowell International is always at your service.??>> General??Knob Mechanical Underfloor Heating Thermostat-HTW-21-23 Series?are the international universal heating electronic thermostat. It use installation of direct wall and have a wide range of controlling temperature. Fool type control interface is easy to use. LED indicates the working state and it is easy for users to understand operation of the thermostat. It is applicable to the heating system of the temperature automatic controlling and provides users with a comfortable, safe, energy-saving and high standard heating environment.Access to external sensors can realize double temperature double controlling (Built-in sensor measures temperature and external sensor makes the over-temperature protection).>>Features ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ???16A?3600W Large load??Double temperature double controlling??Easy to use and cheapest>>Technical parameters?Voltage: 230VAC 50/60Hz?Power waste: <2VA?Range of temperature:?5°C-40°C?Ambient temperature:?-5°C-50°C?Protective casing: IP20?External sensor: B=3380 10K@25°C?Lead length:3M?Temperature protection??Shell material: Flame-retardant PC?Installation height:1.2M?Installation location:To be fitted in the surrounding air to flow freely on the wall, shall not be affected by other heat effect(Such as sunlight, windows and doors airflow and wall temperature).External limiting temperature sensor installation:The casing is buried under the floor, the sensor is arranged inside the casing, ending of casing should be thickened, and put in upper part of the concrete layer. Sensor cable can be instead of other cable to be lengthened to 50 meters. If the extension cable is used two of multi core cable, the rest of the cable can not be used for other equip