If your old appliance is connected with a steel gas pipe and you re installing a new appliance buy a gas appliance connecting kit and replace the steel gas pipe with the flexible gas supply lines stainless steel tube.
Gas pipe union in attic.
Blue stuff might be megaloc teflon thread sealant.
Yes unions are generally acceptable to join pipes backwards.
Or rather is it legal to use unions to connect gas pipe.
Subscribe to this old house.
Supply branch and drop lines or risers.
The laundry room is built on a slab.
The piping inside the house is called the gas supply line or building line.
And all the usual warnings go along with gas piping to be sure to test well afterward.
Companion flanges are code approved when dealing with two points of piping where you cannot gain access to the opposite end of piping.
That said it s always good to check with your local inspector to ensure there aren t any local issues with it.
I was replacing some gas pipe and the guy at the plumbing wholesaler asked if i wanted to do the connection with a union or a.
It was run in an unprofessional manner in that it runs up from the basement and then along a door threshold and finally through a wall.
Ask your own home improvement question customer reply replied 10 years ago.
I have just purchased a house where the gas line for the dryer is copper.
The branch line terminates in a drop line which is a vertical pipe dropping down to the appliance from an overhead branch line.
Older houses often have threaded steel gas pipe.
Any union in a gas line must have a valve in front of it.
Ask this old house plumbing and heating expert richard trethewey explains how gas piping is installed in a home.
And yes the flex pipes are generally acceptable for the final appliance connection.
You can use a union in the attic if you can still get to it when you are done without tearing anything apart that might be in the way.
Are there any rules or safety concerns about running a new gas through the wall into the attic and then dropping it down through the wall.
Make connections to steel gas pipe.
Some say yeah but hide them some say no way some say sure i 39 ve done it for years.
The irc s chapter 24 provisions also mandates standards for steel and wrought iron pipe.
Branch lines run to individual appliances.
