German Vaillant gas boiler store address telephone counseling: 4000002887 Sales: 13337810055 Address: Nanjing Hu Ju Road No. 2-10 German Vaillant boiler heating boiler is the user's preferred brand, imported from Germany, factory direct sale. Swiss Agency for Habitat Vaillant boiler heating and warm, heat sink, green, healthy heating, energy-saving and comfortable. Owners are welcome to come to counseling. Next, I will introduce the working principle of the German Vaillant boiler: German Vaillant boilers for home heating domestic hot water supply dual furnace is usually preferred living water, when Vaillant boiler system pressure is normal, water, electricity and gas in place immediately after into the working state. When opening the hot water tap life, boiler water flowing through the inlet valve has, boiler water flowing through the boiler automatic ignition sensor signal, and automatically adjust the amount of gas in accordance with the size of the set temperature (i.e., the ratio of combustion). In the winter, as long as the heating knob (or switch) open to a suitable temperature, heating boiler will automatically enter the state, while the boiler will automatically adjust the amount of gas according to the heating return water temperature, when the return water temperature rises to a certain extent, the boiler will automatically stop burning, heating circulating pump to work at this time, when the return water temperature drops to a certain value, the boiler firing again. German Vaillant boiler, you save more energy, more comfortable life, to create intelligent heating system. Select Vaillant, began to feel the German Vaillant product design, environmental, service and comfort for the life of the creation of it. More German Vaillant boiler may be concerned about Rui Juguan Knowledge Network: www.njruiju.com heating equipment Co., Ltd. Nanjing Rui Habitat Hotline: 400-000-2887 QQ: 1115675448 Website: www.njruiju.com Address: Nanjing Hu Ju Road 2-10 (Hanzhong Gate Station Metro Line opposite Exit 3)