Question about Pentair Minimax NT Heater

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Purex Triton 400 Minimax Plus comes on and turns off after a short time. If I turn the temperature knobs all "hot" then it stays on, but only gets the water lukewarm. It used to heat the spa perfectly at about 1/4 to 1/3 temperature setting on the knob. Is there a way to reset the knobs so that the temperature is controlled correctly?

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Check gas pressure and burn tubes for clog

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SOURCE: We need to know the BTU's of our older Purex

The 400 stands for 400'000 btu's

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SOURCE: Purex Triton Minimax 400 pool/spa heater not igniting

This sounds like you have a problem with your pilot. You can check this with a small mirror to see if their is a spark when you turn it on. If you have any soot build up on the pilot that will stop the spark and keep it from lighting also. If you have a short on your pilot wire this could be the problem also. I hope this helps, good luck.

Posted on Dec 12, 2009

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1 Answer

Purex Triton Minimax 400 pool/spa heater not igniting


This sounds like you have a problem with your pilot. You can check this with a small mirror to see if their is a spark when you turn it on. If you have any soot build up on the pilot that will stop the spark and keep it from lighting also. If you have a short on your pilot wire this could be the problem also. I hope this helps, good luck.

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