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DIY Home Repair Forum: HVAC 11-03-2011, 05:41 AM
Replies: 8
Views: 3,584
Posted By tvandame
The heat exchanger looks like it had been spit...

The heat exchanger looks like it had been spit and polished. There is no vibration on the valve. Do they naturally go bad in 6 months? Can it be replaced with a different valve?
DIY Home Repair Forum: HVAC 11-01-2011, 12:00 PM
Replies: 8
Views: 3,584
Posted By tvandame
Honeywell smart valve

I have a Armstrong Ultra sx80 model #S8400C30919 natural gas furnace. It has the third Honeywell contol valve SV9502H2522 smart valve. Every time that the valve is replaced, it works flawlessly for...
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