Are there OTHER types of unions for gas besides GROUND unions ??
I thought pipe was naturally grounded since it is pipe.
Found the post below. >>>>>>>>>>>>>
Don't conceal the union. Place an access panel in the wall at the
location of the union. Make sure you use a ground union appropriate for
Peter B. wrote:
There's more than one meaning for the word ground, Conase.
I believe what the fellow was reeferring to was a union whose sealing
surfaces have been mechanically ground so they are sure to mate completely
and produce a gas tight seal.
It's of akin to the old tyme way of grinding the valves in a car engine by
rotating them against their seats with some "valve grinding compound" (sort
of like a super abrasive toothpaste) on their mating surfaces surfaces.
At least that's what it meant when I was a kid.
Happy New Year,
Jeff Wisnia (W1BSV + Brass Rat '57 EE)
"If you can smile when things are going wrong, you've thought of someone to
On 10 Jan 2004 16:52:51 GMT, firstname.lastname@example.org (Conase) wrote:
I dont know why this guy is making this job so complicated. Just cut
the pipe inside the wall (where needed). Then unscrew the piece that
goes down. It's probably 3 feet at most to the basement.
Now, thread the upper piece, install the Tee, and thead the piece that
goes to the basement, but cut off 3 inches first. Screw that piece on
the Tee (going down). Now go in the basement, install a union on that
piece along with a short nipple (probably 2 inches long). The union
is now exposed in the basement. That sure beats access panels and all
sorts of other complicated stuff.
If there is an Elbow directly below (in basement), it might be even
easier to take apart the horizontal pipe and put the union down there.
OR, maybe just leave the solid pipe alone inside the wall, find a
nearby place in the basement horizontal run, and install the Tee
there. Then just tun a short stub up to that room for your needs.
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