It just sits on pieces of 4x4 on the roof.
Gas lines on roof.
From 1 2 to 1 1 2 pipe the face of a fitting to face of another fitting you add 3 4.
We had a gas line run over the roof and down into a kitchen wall when we redid our kitchen.
The branch line terminates in a drop line which is a vertical pipe dropping down to the appliance from an overhead branch line.
I ran across this gas piping yesterday.
Gas furnaces stove dryer i have never seen gas piping run across a roof like this.
Running gas lines on flat roof.
But a ground union is allowed outdoors.
It extends straight up through the soffit across the roof and is run down into the home at various points.
Sent this to my hvac guy who agrees that it is non standard install but not illegal.
Supply branch and drop lines or risers.
Definitely needed a permit and the inspection included a gas leak test before we could hook up our stove.
Are we talking a ground union typically unions are only allowed at the fixture and meter.
We will discuss some of the basics of inspecting gas piping.
Branch lines run to individual appliances.
Buy the right gas pipes and fittings for the job.
The piping inside the house is called the gas supply line or building line.