Question about Pentair 250k Minimax Ch Ng Mv Heater

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Pentair Minimax 250M

Pentair 250 CH LP will not ignite. Pilot works fine, main burners will not come on. Red LED blinks once every 7 seconds on the Honeywell control module. How do I test the thermostat & pressure sensors? What resistance should they be?

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How many times it blink will tell you what is wrong check at the codes. unplug thermostat check fo homs 10 k around is fine at 80 degrees pressure switch require a by pass but DO NOT RUN THE HEATER WITH A BY PASS ANY CONTROL!!!!

Posted on Sep 19, 2009

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