This is a two-stage RV propane regulator that will switch your supply to a reserve tank without disruption in your supply. This model has a maximum inlet pressure of 250 PSI and the inlet connector is a ¼ inch inverted flare. The outlet connection is a Female National Pipe Thread of 3/8 inch.
There is a green/red indicator that shows you clearly when the gas supply is running low and you need to start looking for a replacement. This regulator complies with the RVIA, UL and NFPA standards and has a raw zinc and powder coated exterior finish.