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  1. G

    Heater Replacement

    My first post, I have a MiniMax NT Low NOx heater (400,000btu). About 10 years old but with little use. The internal sheet metal under the top plastic cover has rusted away. Exhaust blower is still in place and working but unit doesn't stay on. I know I could manufacture and replace the sheet...
  2. G

    Pentair Minimax E04 error

    I am having an issue with my Minimax NT. Fan comes on high to purge, then operates at low speed while igniter heats up, gas valve opens and flames start for a second then go off. Fan then switches to high speed to purge and cycle repeats. After a few times, E04 appears on display. Is the...
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