Replace Steam Radiator Vent Air Valve

The vinegar should dissolve the rust and free any moving parts.

Replace steam radiator vent air valve.

Rinse the air vent with cold water for one minute. I show here in a time lapse how to replace a valve on an old steam radiator. The air valve or air vent on a steam radiator allows air in the cooled radiator to be pushed out by incoming steam at the start of each heating cycle the hissing sound of the air venting from the valve is a sign of normal operation but should stop once the radiator comes up to temperature and the valve closes thereby retaining steam in the radiator. Turn off the steam to the radiator by closing the supply valve if you have one found on the end of the radiator opposite the air vent.

Take note of the model and make of your radiator when you go shopping to make sure you get the right size size 5 is average for most models. I show here in a time lapse how to replace a valve on an old steam radiator. Angle radiator air value 1 8 inch angle steam vent with 070 vent size for use on radiators near boilers in warm rooms second floor radiators for example venting capacity equal to 4 ordinary air valves. First uninstall the air vent using an open wrench soak the air vent in hot vinegar for 30 minutes.

Use a wrench to shut off the incoming steam valve on your. Step 2 close the radiator. Then test it by blowing through it. A steam vent is designed to allow air to escape from the steam piping or steam radiator during the heating phase when steam is rising in the system in order to allow steam to rise into the piping or into the radiator itself.

Steam radiator air vent cleaning. Hoffman steam air vent 40 1 8 angle steam radiator air valve 401440 26 98 only 2 left in stock order soon. Put some more of the tape around the radiator air valve so that the seal is completely airtight. Sold by mgstorage and ships from amazon fulfillment.

Step 1 buy a new radiator air vent. Heat a small pot of vinegar and submerge the air valve in the hot vinegar. Using an open end wrench remove the valve from the radiator by turning it in a counter clockwise direction. If the steam vent becomes debris clogged or otherwise is not working it cannot vent air properly.

Radiator air vents are readily available at any hardware store at a low cost. If the air did not move freely through the vent repeat the. Results of a clogged.