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Key Benefits for Contractors: Direct OEM Fit: Guaranteed alternative for obsolete part 1-024-34551-002
The Class F rating indicates the coil can withstand higher internal temperatures
the A28AA-4 controller is rated for up to 277 Vac
F in steam and hydronic heat exchange applications
How do I know if my Lochinvar 100277765 Thermal Switch has tripped
Lochinvar & A.O. Smith 100111891 Gas Valve 318518-761 Key Benefits for Contractors: DirectThe Lochinvar & A. O. Smith 100111891 Gas Valve is a critical OEM replacement part engineered for high efficiency natural gas commercial water heaters and boilers. This K Series gas control valve is a direct replacement for obsolete part number 9007295005 and is essential for maintaining precise manifold pressure and air gas mixtures within the combustion chamber. Designed for compatibility with the Lochinvar BTH series (including BTH 400 and BTH 500