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Thread: Hayward Heater loud banging noise

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    Hayward Heater loud banging noise

    I have searched and searched and I think I know the answer. It appears the bypass spring is broken. I cannot see anything. Is there a fix to this or just suck it up and call the tech? The heater kicks on the starts rocking and shaking and banging.

  2. Back To Top    #2

    Re: Hayward Heater loud banging noise

    Heat exchanger was broken. Replaced same day as the call for $400.

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