Gas Pipe Union In Attic

We will discuss some of the basics of inspecting gas piping.

Gas pipe union in attic. Make connections to steel gas pipe. Branch lines run to individual appliances. Any union in a gas line must have a valve in front of it. Older houses often have threaded steel gas pipe.

Or rather is it legal to use unions to connect gas pipe. That said it s always good to check with your local inspector to ensure there aren t any local issues with it. The piping inside the house is called the gas supply line or building line. 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.

Ask your own home improvement question customer reply replied 10 years ago. And yes the flex pipes are generally acceptable for the final appliance connection. Blue stuff might be megaloc teflon thread sealant. The branch line terminates in a drop line which is a vertical pipe dropping down to the appliance from an overhead branch line.

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. And all the usual warnings go along with gas piping to be sure to test well afterward. The laundry room is built on a slab. The regulation also mandates that steel and wrought iron pipe be marked with labels reading gas and astm d 2513 the code prohibits the use of cast iron pipes in residential gas piping installations.

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. I have just purchased a house where the gas line for the dryer is copper. Can you use unions to connect gas pipe. 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.

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. Some say yeah but hide them some say no way some say sure i 39 ve done it for years. Subscribe to this old house. Supply branch and drop lines or risers.

Ask this old house plumbing and heating expert richard trethewey explains how gas piping is installed in a home.