37C73U-168 Gas Water Heater Control for Natural Gas

• 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet
• 70° to 160 °F Range
• Fully Regulated Main and Pilot Regulators Fixed- 3.5" W.C.

Installation Instruction

37C72U-185 Gas Water Heater Control for LP Gas (Left Hand Threads)

• 1/2" N.P.T. Inlet
• 1/2" Inverted Flare Outlet with Left-Hand Thread
• 70° to 160 °F Range
• Main Burner Pressure - 10.0" W.C., Pilot Burner Pressure - Fixed

Installation Instruction