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. 1/8" Aluminum Tubing 50 Ft. Roll # 261417 3/16" Aluminum Tubing 50 Ft. Roll # 261418 1/4" Aluminum Tubing 50 Ft. Roll # 261419 "Rigid" Tube Cutter 1/8 To 5/8, # 721147 Tube Bender 3/16 To 3/8, # 721106 Solid State Pocket Gas Detector # 851101 Teflon Thread Sealing Tape # 851109 "Gripp" Heavt Duty Thread Sealer 1/2 Pint # 851101 PTFE Heavy Duty Thread Sealer 1/4 Pint # 851136