How to Bleed a Baseboard Heater How to Bleed a Baseboard Heater

What You'll Need
Expendable cloths
Large bucket

Bleeding your home's baseboard heater annually is an essential part of keeping the device in working order. Below are some easy steps that will help you complete this task in a timely and stress-free fashion.

Step 1 - Prep Your Heater

Begin the process by allowing your baseboard heater to run for a little over an hour. This will help get water circulating through the system. Once the heater has had ample time to run, shut it off and proceed with the next step.

Step 2 - Prep Your Bleed Valve

You will now need to locate the bleed valve on the system's main tank. This valve, which bears a strong resemblance to a typical hose outlet, can usually be found near the bottom of the tank. Having found it, place an expendable cloth over the bleed valve's hole, then place a bucket directly beneath the valve. These precautions will help protect your floor from any water that leaks out when the bleeding is underway.

Step 3 - Bleed Your Baseboard Heater

You will now need to carefully turn the bleed valve in a counterclockwise fashion. You will hear a distinct hissing sound that will indicate that air is bleeding out. Once water begins to emanate from the valve's hole, you may turn off the bleed valve, as your heater has now been successfully bled. When performing this step, try to avoid coming into contact with the bled air and water, as both are very hot.

 

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