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    cluong's Avatar
    cluong Posts: 7, Reputation: 1
    New Member
    		  
    #1

    Nov 30, 2007, 02:16 PM
    Testing Boiler
    Is it true to always test the air bleed valves on the radiator when inspecting a boiler?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 30, 2007, 03:08 PM
    Not necessary. If a boiler system is operating properly there should be no need to test the valves.

    I would also like to add that any time a boiler has air introduced to it the valves will then need a bleeding. This can happen at anytime fresh water is introduced into the system.

    I would also like to add that if you open a air bleed valve when the boiler is cool on many systems this will cause air to be sucked into the pipe due to the lower pressure/no pressure of a cold boiler. This can cause more problems when the boiler fires over.

    Stay away from the bleeders unless they need to be opened to remove air.
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