Comfortmaker RPJ II Blowing Only Cold Air. - HVAC - DIY Chatroom Home Improvement Forum


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Old 09-15-2011, 11:42 PM   #1
lse
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Comfortmaker RPJ II blowing only cold air.


I have a RPJ LL Enviro Plus 90. Last year the first cycle of the heat was warm, after the first cycle it was blowing only cold air. I called service and they found nothing wrong.

Just started it up for the season and it is blowing only cold air. I thought maybe I should put in a new thermostate, but don't know what to buy. Thanks,

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Old 09-16-2011, 10:09 AM   #2
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Comfortmaker RPJ II blowing only cold air.


doesnt sound like a therostat problem... have the installers back out ASAp

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Old 09-16-2011, 07:12 PM   #3
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Comfortmaker RPJ II blowing only cold air.


cascade.

You are allowed to have a link to your company website in your sig. But not in post.
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Old 09-16-2011, 07:14 PM   #4
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Comfortmaker RPJ II blowing only cold air.


Doesn't sound like a thermostat problem. more like flame sensor or a pressure switch that is not closing.
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