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Re: Hayward H400 Ignition Failure Where did you order the part?

Re: Hayward H400 Ignition Failure Any progress?

Re: Hayward H400 Ignition Failure I hear ya. Let me know if you replace it and where you find the best deal. AND if it works! I am out of ideas and am close to calling out a tech.

Re: Hayward H400 Ignition Failure It could be the control module. That is the last thing on the list if the IF code is coming up. I just monkeyed around with mine for about an hour checking the gas ports, hi/lo limits, and gas regulator. Still nothing. I thnk the control module is high...

Re: Hayward H400 Ignition Failure I am at a loss. It has to be a sensor albeit flame or flow in the unit. HOPEFULLY, it is not the gas valve. Let me know when you get it fixed and what the culprit was.

Re: Hayward H400 Ignition Failure Its a mystery for sure. Have you replaced any parts like flame sensor/ignitor, or pressure valve? I have had my gas company out to take a look and they say PSI is not the problem. Another person told me the gas line needs to be bled out which would make some...

Re: Hayward H400 Ignition Failure I am having the EXACT same problem with my EXACT same heater. Today I replaced a cracked pump housing which was causing a 3psi flow which I though was probably the issue... However, no such luck. Did you replace the flame sensor? Have you made any headway...