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    PegLeg614's Avatar
    PegLeg614 Posts: 1, Reputation: 1
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    #1

    Mar 26, 2014, 05:33 PM
    Have air in fuel line of 4066-701-B kerosene furnace
    The heater won't ignite. Have to bleed air from both the bleeder valve and the copper tubing that comes out of the pump and goes into the igniter. This is happening a lot. It will work for one day -- or 3 -- or 20 days.

    - The level of kerosene in the tank was at different levels.
    - The burner tip has been replaced with a new one.

    Could the pump be losing prime to get air in the lines?
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #2

    Mar 28, 2014, 07:02 PM
    You have an air leak somewhere. Finding the leak is often a matter of detective work & trial & error. The leak could be anywhere in the fuel system from the pump itself all the way back to the tank. If any fittings or joints have be disturbed recently, that's where I'd start.
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