Quote Originally Posted by Liftoff View Post
I've yet to figure out how to keep the PRV open to act as a dump valve, but it will be some sort of toggle mechanism...should not be too difficult to devise...still can do a normal valve if this idea is not acceptable, can put another Tee at the pressure gauge and dump from there.
You don't need a pressure guage so you could just replace it altogether with a dump valve if you need to. May even save a little bit of weight and space getting rid of the pressure guage!