Question about Reddy Heater-70,000 BTU Kerosene w/T'stat

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Have a 70,000btu ready heater. changed ignitor & pump set press.

Still will not run. starts runs for about5-10 sec,

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If it shuts off it may be a problem with the thermocouple which needs to reach a certain temp so that the heater knows it is lit to continue sending fuel and air. If this is not operating propoerly it can cause the problem you are describing. You can check if this is the case by testing for continuity across the disconnected thermocouple leads while holding a lighter on the thermocouple. At room temp you should not have continuity, when it heats up the circuit should close. If this is not happening it may be bad. You can further test (CAREFULLY) by jumping the thermocouple leads where they come back to the control board. If it continues to run that is your problem. Also make sure the thermocouple is aligned properly to get heated by the initial heat or it will never warm up enough to close the circuit and allow the heater to continue to run...

Hope that helps...

Posted on Feb 09, 2009

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