Already distinguished a heating resident

After the resident that already distinguished a heating sees announcement trying water, answer to close all vent valve of the central heating in the home, lest ooze water. After central heating sails upstream, the dweller should undertake in the home " the examination that discharge wind " , open vent valve namely, the air dropt inside central heating conduit, look next valve is shut and open function is in good condition.

The resident of heating of the heat of the earth's interior

The resident that takes heating of the heat of the earth's interior besides vent valve is closed before trying water, outside vent valve is being opened after trying water, if this year winter not heating, resident should use vent valve to discharge the water inside conduit of the heat of the earth's interior clean, because air temperature is low,prevent and make the water inside conduit frozen, cause the heat of the earth's interior to be in charge of blowout.