REGULATOR FOR AIR AND GAS; NOMINAL SIZE/DIAMETER: 01; USE: NATURAL GAS; MAXIMUM INLET PRESSURE: 5 PSI; MAXIMUM WORKING PRESSURE: 2 PSI; CONNECTION: 1/2 ”; WORKING TEMP. 350°F, BALANCING, DIAPHRAGM: FKM/ POLYESTER, GAS DIAPHRAGM FKM/NOMEX, DIAPHRAGM COVER AND CASE: ALUMINUM, BODY CAST IRON, SEAT BRASS, SHAFT SST; MANUFACTURER 1: NORTH AMERICAN; N-PART 1: 7218-01-V