Question about Pentair Minimax NT Heater
Heater ignites then goes on and off
Posted by Anonymous on
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Posted on Jan 02, 2017
This is a fan code. If your fan is running then the air pressure switch has a problem. On some units the gas pressure switch is on the same circut. This would be the NT LN model. On this one gheck to be sure your gas is on and bled out first. If this is a LP heater be sure you have enough gas to run it. Most heaters need at least 30% on the tank to get enough pressure to run the heater. If it is the air pressure than you need to check your air flow. Be sure to check you don't have bird or rat nests in your exaust or on the burner tray assembly. If you don't have any of these problems you may need a new air sensor. I hope I have helped.
Posted on Dec 20, 2009
The fan will continue to run for a few minutes after the pump turns off to purge exhaust gasses.If it was still heating you have a problem. To reset the heater,turn off the pump breaker for 30 seconds. After that you need a repairman.
Posted on Sep 28, 2010
I have had the same problem with my '400' since it was new. I contacted the manufacturer and got the run around. I have been trying to get this resolved and now, a year and a half later, have decided to buy a different heater. Anyone want to buy a hardly used Pentair 400? firstname.lastname@example.org
Posted on Sep 23, 2013
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