+3 photos Camco Manufacturing Inc Water Heater Valve Ng 79000Btu 8421 Wednesday, January 24, 2:11 PM - Books, Comics, Magazines ... , 1-1/4 in. Shank length, 1/2 in. Npt gas inlet by 1/2 in. Inverted flare outlet, adjustable 70-160 degrees. - Natural gas water heater control - Robertshaw - BTU - 79000 90712 Lakewood $48.19