i got a torch but i am unable to unscrew the shaft out of the base connection. i have put a lot of force into it. is there any secret to getting it off? if not can i solder a threaded fitting on?

actually i was thinking that because the majority of a simple coupling's area is reinforced with the pipe it is attached to there is a fractional area on each coupling actually receiving any pressure. in contrary on the elbow they have a larger area not directly reinforced by the pipe therefore more...

i found some pressure rated pvc and pressure rated couplings. the couplings are quite expensive so i think i will use those for the elbows and use dwv for the simple couplings not receiving much stress

i have been look around and all the pvc i can find is dwv fittings and cellular core pipe. any suggestions? how bad would it be to use those?

three questions:
1) what type of propane regulator do you recomend
2) how do propane regulators work
3) how much pressure is present in a propane torch cylinder

mark.f
when you remove the torch nozzel will that section be threaded? where you put in the 1/4 npt x 1/4 of compression adapter

what is the best way to attach a propane canister to the direct injection system. i know you can hack off and thread the torch but is there an attachment that can directly attach to the canister?