37C73U-173
Gas Water Heater Ctl, For Nat Gas Only, 1/2" N.P.T. Inlet, 1/2" Inv Flare Outlet, 70F-160F Range, Fully Reg. Main And Pilot Reg. Fixed At 4.0" W.C., Single Cycle E.C.O. Set At 195F, Shank Length 1 1/4, Replaces A.O. Smith 37C73U-640 (0001804250)
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