Replace Steam Radiator Vent Air Valve

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.

Replace steam radiator vent air valve.

Then test it by blowing through it. Steam radiator air vent cleaning. If the air did not move freely through the vent repeat the. Allow it to soak for.

Radiator air vents are readily available at any hardware store at a low cost. Results of a clogged. If the steam vent becomes debris clogged or otherwise is not working it cannot vent air properly. The vinegar should dissolve the rust and free any moving parts.

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. While you are waiting for the air vent to dry a little you can clean off the radiator shaft particularly any rust or dirt on the edge of the radiator. I show here in a time lapse how to replace a valve on an old steam radiator. First uninstall the air vent using an open wrench soak the air vent in hot vinegar for 30 minutes.

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. 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. Leave the vent to one side for a few hours to ensure that the tape is secured.

Use a wrench to shut off the incoming steam valve on your. Hoffman steam air vent 40 1 8 angle steam radiator air valve 401440 26 98 only 2 left in stock order soon. Step 2 close the radiator. Using an open end wrench remove the valve from the radiator by turning it in a counter clockwise direction.

Step 1 buy a new radiator air vent. 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. Put some more of the tape around the radiator air valve so that the seal is completely airtight.