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Old 01-20-2012, 06:49 PM   #1
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blower and heat


i have a york diamond 80 that will not fire up a second time after satisfing the first call for heat but the blower will run continously . replaced the high limit and pressure switchs. is there a hidden high limit?

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Old 01-20-2012, 06:51 PM   #2
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blower and heat


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i have a york diamond 80 that will not fire up a second time after satisfing the first call for heat but the blower will run continously . replaced the high limit and pressure switchs. is there a hidden high limit?
try cleaning the flame sensor

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Old 01-21-2012, 08:51 AM   #3
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blower and heat


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Originally Posted by chicago View Post
i have a york diamond 80 that will not fire up a second time after satisfing the first call for heat but the blower will run continously . replaced the high limit and pressure switchs. is there a hidden high limit?
Is it a down flow unit? If so may have one around blower area. Most the time on blower housing. P.s need look at coil and filter too. Limit don't just go bad something takes it out.
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