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    Hayward H400 Millivolt heater problem

    This is what I replaced. It’s the pilot light plus the thermopile all in one. Sorry if I’m not using the proper terminology. I bought it brand new so shouldn’t it be in the proper position to be fully in the flame? I will check the mv for the other parts tomorrow. I checked each of them for...
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    32CA81DE-8422-45DE-99D7-2A2BD7C24A77.jpeg

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    Hayward H400 Millivolt heater problem

    Appreciate the tip, but if I swapped out the pilot generator with the part number in the operators manual, why wouldn’t it be producing the proper millivolts? That’s why I’m confused. I didn’t buy an aftermarket part or one that isn’t specific for my heater.
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    Hayward H400 Millivolt heater problem

    Hello TFP friends. I have a Hayward H400 Millivolt heater which is about 20 years old. This thing is a dinosaur but when it works properly it’s amazing. I’ve had some issues over the last couple of years where it would take a little bit for the heater to turn on or wouldn’t at all. It’s very...