NAT/LP, 1/2" FPT IN/OUT, PILOT OUT ONLY 3/16" CCT.;150,000 BTU, 24 V.;*USED IN # 54-1035;INCLUDES NAT TO LP CONVERSION KIT # 51-1227;BLODGETT B14G, BC-20G, BCX-(14, 14E, 14G), BX-(14, 14E,;14G), CNVX-(14, 14E, 14G), DFG-(50, 100, 200);OVEN SERIES: DFG 100, 200 & 300,;ZEPHAIRE G WHICH USE 24V.;MARSHALL AIR;BROILER FR15BG.