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#1
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420sel AC and heat at the same time.
Last nite, it got cold. I turn on my heat and noticed that the A/C would hissed on intermittently causing a loss of heat. My A/C makes a slight hissing once it is on and recycling. What happened here? The A/c has been working erratically during the summer. I had replaced the blower motor and ETR and replaced the ac condensor over the summer.
John |
#2
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The heat should be way overpowering the AC. Not sure on the hissing. Would tend to think it's a bad monowater valve for the heater if you have the heat turned up and no heat. Probably the monowater valve diaphragm is torn, can be replaced seperately.
Gilly
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