On my natural gas connections to my furnace and water heater, There is a tee at the connection, with a short length of pipe that is capped. I have seen this in other houses too. What is the purpose of this extra pipe? Why not just a 90 elbow?
Smith333 said:Thanks! I googled the subject and found that it is required by code in some areas, but in any case is a cheap safety precaution. So I will keep it when I replace my water heater.
This leads to another question...Can black iron unions be reused, or should they be replaced once they've been opened up?
jimbo said:Obviously, any debris in a gas regulator is going to cause trouble.
jimbo said:A regulator is a mechanical device with small ports, springs, and seals. Any device like this does not want debris inside. You could have a leak, high pressure, low pressure, etc.
ToolsRMe said:Yes ... but what does a regulator DO?
Does it make sure that the appliance gets
a) Gas at the right pressure?
b) Enough gas to make proper combustion?
(a) and (b) are related (something like voltage and amperage) but are not the same.
So I'd still like to know what a gas regulator does.
This is awkward, but...
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