Hello, I had the gas company over to check a pronounced gas smell in the garage. They could not locate the source within the garage or the adjacent HVAC room. But on the outside they did identify a significant reading coming out of the furnace exhaust pipe even if the furnace was off. (Believe the reading corresponded to 1/10 of a percent).
I've shut off the gas supply to the furnace and will be leaving the HVAC off till professional help arrives. But in the meantime I wanted to ask whether a faulty gas control valve is the likely culprit under similar situations? Perhaps there are other possibilities to rule out first?
Thanks for any insights!
I've shut off the gas supply to the furnace and will be leaving the HVAC off till professional help arrives. But in the meantime I wanted to ask whether a faulty gas control valve is the likely culprit under similar situations? Perhaps there are other possibilities to rule out first?
Thanks for any insights!
source https://hvac-talk.com/vbb/threads/2227322-Gas-smell-from-furnace-exhaust-pipe?goto=newpost
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