How To Bleed A Hot Water Furnace With Attic Piping

Why you may need to bleed air from a hot water heating system.

How to bleed a hot water furnace with attic piping. 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. The manual bleed is much less complicated but requires you to go bleed off the air by turning the valve and letting the air escape until water comes out. Open the auto makeup valve and the spigot to which the hose is connected at the same time. Turn the nut counterclockwise about one quarter turn using a hex wrench.

You will need to solder in elbows on the baseboard heater. Keep an eye on the water pressure and do not allow it to rise above 25 psi. Once water starts to spurt out of the bleeder fitting close the bleeder screw. 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.

Allow the water to drain out of the hose until no more air bubbles are seen. 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. Bleed the air from each baseboard working from the baseboard closest to the boiler toward the baseboard farthest from the boiler. Wrap a towel around the bowl.

In this video i show you how i was able to bleed my hot water heating system. Air was trapped in the heating lines so the system needed to have the air remo. If you are going to the trouble of installing bleeders i would recommend the automatic bleeder.