This regulator meets the relevant UL, NFPA and RV standards. It is a two-stage propane regulator that automatically transfers to a reserve cylinder when the primary cylinder runs out of gas. It will fit all standard propane tanks and has a maximum inlet pressure of 250 psi. The inlet connection is a ¼ inch female inverted flare and the outlet connection is a 3/8 inch female National Pipe Thread.
It has been finished with a raw zinc and powder coat finish and has an indicator that is easy to read and changes from green to red when the tank needs to be refilled.