On 1/19/2016 8:34 PM, trader_4 wrote:
On Tuesday, January 19, 2016 at 8:13:45 PM UTC-5, Micky wrote:
A friend calls me just now. She has gas heat, forced air, and the
furnace is broken. The repairman comes but not until 4. He says she
doesn't have enough gas pressure, and he did something that made it a
little higher, but he said she needs a part and he said the furnace
wasn't safe so he turned it off.

Furnaces have a pressure regulator, I think it's typically part of
the valve. Without a regulator, the burners would have varying gas
pressure and flame. And typically they are factory set, but field
adjustable, so that could be what the service tech adjusted, but
it still didn't work correctly. Or he could be incompetent or a
lying theif, who knows.


If it truly is low gas pressure, you may wish to call
the utility company and their guys can check.

One time I did find a spider nest in the gas orifice,
which was cutting the BTU/hr in about half.

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Christopher A. Young
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