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Gene  
#11 Posted : Tuesday, March 8, 2011 7:15:03 PM(UTC)
Gene

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A faulty high limit thermostat (#20 on the diagram) can be the culprit. Especially if the vents are clean and the flame is good.

- The high limit thermostat Part number: AP4045507
Part number: AP4045507



Gene.
chippy  
#12 Posted : Wednesday, March 9, 2011 3:22:14 AM(UTC)
chippy

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thank you for your advise,it is greatly appreciated.....
Gene  
#13 Posted : Wednesday, March 9, 2011 3:02:31 PM(UTC)
Gene

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You are welcome. Keep us posted.

Gene.
chippy  
#14 Posted : Friday, March 11, 2011 8:34:51 AM(UTC)
chippy

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replaced hi-temp. thermo.unit seeme to be cycling fine.On time dry it reaches 60celsius then drops to about 54-55cel.then kicks on again.does this sound good?also should there be continuity when testing across the thermister?when i check ohms it reads 16k at room temp(60-65)F....
Gene  
#15 Posted : Saturday, March 12, 2011 1:53:01 PM(UTC)
Gene

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The temperature seems to be good. The thermistor normal resistance reading shroud be about 10 Kohms @ 77°F.

Gene.
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