Makes sense that is a test plug.
The pipe running in is the main for the house. It runs in the wall and isn’t exposed anywhere.
The heater claims it is designed to be unvented and can be used indoors. See attached pic on description.
So if I installed a tee, I could just run the 3/8 line...
Hi all. I wanted some insight on running a gas line from my meter through the side of the house into the garage where I want to install a heater (see pic). The meter is outside of the garage so the line would only need to be run a couple of feet through the exterior wall and into the garage...