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45" OD sheave is designed for standard A-section or 4L profile V-belts commonly used in commercial ventilation systems
it provides the exact restriction needed for low-flow chilled water or hot water applications
Common Questions for HVACR Technicians Can the TD121A be used with any modulating gas valve
Field-verified as identical to the Lennox 72L3401
Lochinvar & A.O. Smith 100170417 Gas Valve Els PW 17895 45" OD sheave is designedThe Lochinvar & A. O. Smith 100170417 Gas Valve is a critical OEM replacement part designed for residential Natural Gas water heaters. This thermostatic control valve, which is the direct identical part to TST1006 and replaces the older 37C73U 724, handles both temperature regulation and safety shut off functions. Engineered for FVIR (Flammable Vapor Ignition Resistant) systems, this 100170417 Tstatic WTR HTR Nat Gas Valve features an internal
US$ 24.00
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US$ 102.00