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Re: Gas line leak check


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Posted by Roger Tomfohrde on February 15, 2017 at 17:51:12 from (24.118.172.93):

In Reply to: Gas line leak check posted by 37chief on February 15, 2017 at 16:34:31:

Stan the standing pressure test usually is at a lower pressure on a new line and it is isolated from the tank and the pressure regulators. If you hit the pressure regulators with 15 they are probably junk now. Max for the appliance regulator is usually a half pound. Reducing regulators can take more than that but do not have the book. Most new construction on Nat Gas and Prop here supply is 2 PSIG to a step down regulator near the appliance feeding it 11 inches.Usually they keep the standing pressure test low to keep from bursting the diaphragm. This sounds like just replacing the line, 3/4 inch carries a lot of BTU's most around here for a tank to house are 5/8 or less on the higher pressure side of the house regulator.Most pressure gauges are not sensitive enough, did you soap test also,they seem like they drop every time we checked but never understood why.Even when I pressure check refrigeration systems there is a fluctuation of the gauge on digital gauge sets over night.The line should be OK.


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