White-Rodgers 37C73U-170 Rheem Replacement Water Heater Gas Valve

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The White Rodger 37C73-170 is a gas water heater controller replacement for standard water heater gas controls with built-in energy cut off (ECO). The 37C73-170 contains a 2-1/2 inch shank and is a great replacement for A.) Smith Water Heaters. Features Automatic shut-off of main and pilot gas in the event of pilot failure Pilot gas cock with safe lighting feature and filter Temperature adjustment Manifold pressure tap Built-In E.C.O. (Energy Cut Off) non-cycling high limit