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I have a rheem Heater and it keeps constantly cutting on and off trying to reach it's desired temperature. I changed the thermostat yesterday, and it is working properly. However let's say if I set it to 78 it takes a while to reach that temperature, and will constantly cut on and off to acheive it's goal

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Hi, welcome to Fixya. First thing that I would recommend checking is the filter and air flow in general. The furnace may be overheating, cooling enough to run, overheating and so on. The second thing ( you didn't say so I'll assume it's gas heat) I would check is the tube coming off of the inducer. The inducer is the little blower that generally comes on before anything else on start up. There is a small rubber tube coming off of it. Pull the end of the tube connected to the inducer, then taking a straightened paper clip or similar poke the orifice in the nipple that the tube came off to clear any obstruction. Then retry the furnace. Let me know if this helps please.

Posted on Jan 26, 2009

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dear sir

i think in your air conditioner,s thermostat is not working because there huge of ice on unit. thermostat control to compressor for desire temperature, when temreture reach till desire tempreture it,s cut supply for compressor . and make balance on cool air.
please replace thermostat for solve this problem.


hope answer the question
thank you
please vote!

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