Installing a gas line usually means running black pipe. It is not
difficult, but if you don't know how to make a proper joint, it is not
something to play with.
Well, the gas pressure is literally measured in INCHES of water. The water
pipes typically have the equivalent of 100 FEET of water pressure.
If you have properly threaded pipe and clean things before your put them
together and use fresh teflon filled pipe "dope" there just isn't a
snowball's chance in hell of a leak but just to be safe, you can brush on
some soap solution and look for bubbles after to turn the gas back on.
You have to know how to measure for pipe, allow for
fittings, buy pipe and have it cut and threaded, install a shut off valve
before the union to the appliance.
IF you have a relatively close by source of the pipe (so you can get the
longer pieces one or two at a time) your measuring skills don't have to be
all that good. The "pro" certainly doesn't cut all the pipe first and then
piece it together (or most of them don't): they cut and thread as the line
goes.
Just don't forget the pipe hangers.
Just about anywhere, the last couple feet or so is a UL approved piece of
flexible SS tubing. Even gas water heaters don't use unions anymore (in
most places. Maybe not in NYC!)
I own a high rise condo in Northern Virginia. It has a gas clothes dryer
and a gas stove. The original installation (1977) had unions but when the
stuff was replaced, the installer used flex. (I didn't do it myself: it
was deductible as the condo was a rental by then.)
The trouble with unions is that it takes a lot of skill to get things to
line up to the point where the union will close and, if you think about it,
you are "flexing" black iron pipe in the process of closing up the joint.
What is this conduit you speak of? Are you planning to run the pipe
through
it? You will have to put up some pipe hangers also.
Oh, you mention that!
Has anyone here installed their own gas dryer in a home with gas service
- but no service to the dryer?
Yep, did a couple of them.
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