How To Bleed A Hot Water Furnace With Attic Piping

Place a small bowl under the pipe to catch or contain any water that spills out.

How to bleed a hot water furnace with attic piping.

Wrap a towel around the bowl. In this video i show you how i was able to bleed my hot water heating system. Open the auto makeup valve and the spigot to which the hose is connected at the same time. If a hot water heating system develops too much air in the piping you may hear bubbling or gurgling in the heating pipes when the heating system is operating or worse so much air may be in the heating piping radiators or baseboards that heat may simply not circulate at all.

Why you may need to bleed air from a hot water heating system. If you are going to the trouble of installing bleeders i would recommend the automatic bleeder. Bleed the air from each baseboard working from the baseboard closest to the boiler toward the baseboard farthest from the boiler. Hot water heating systems have been around for a long time and are an efficient way for homeowners to keep warm during the long winter months.

Many people find that the radiant heat generated by hot water systems to be more comfortable and pleasant than the warmth provided by forced air heat. Turn the nut counterclockwise about one quarter turn using a hex wrench. The water entering the system from the boiler s water supply valve forces the air in the pipes and baseboard out of the bleeder fitting. Keep an eye on the water pressure and do not allow it to rise above 25 psi.

Allow the water to drain out of the hose until no more air bubbles are seen. If it does release the auto makeup valve momentarily until the pressure drops. You will need to solder in elbows on the baseboard heater.