Maxitrol RV81-1 Gas Pressure Regulator

Gas Pressure Regulator; Type Straight-Thru-Flow, Non-Lock Up; Nominal Size 1-1/2 Inch; End Connection Female Threaded x Female Threaded; End to End Distance 6 Inch; Body Material Aluminum; Temperature Rating -40 to 205 Deg F; Pressure Rating 1/2 PSI and 1 PSI (Inlet), 5 PSI (Emergency Exposure Limit), 25 PSI (Gas Containment Limit); Application Residential, Commercial, Industrial Gas Fired Appliance, Low or Medium Pressure Gas Supply; Applicable Standard UL, CSA (Canada and US), CE, ANSI Z21.18; Gas Type Natural, Mixed Gas, Liquefied Petroleum Gas and LP Gas Air Mixture; Vent Pipe Connection 3/8 Inch Threaded; Swing Radius 6.4 Inch; Size 7 Inch Width x 8.4 Inch Height x; Pressure Drop Rating 4929 BTU/Hour