Lochinvar & A.O. Smith 100277838 Board 326058-756 the Weil McLain 510-312-091 is

the Weil McLain 510-312-091 is specifically designed for hot water boilers and hydronic applications

and mounting bracket for a complete burner assembly overhaul

Industrial-Grade Build: Designed with a NEMA 48 frame and heavy-duty sleeve bearings for continuous (S1) duty cycles

excessive manifold gas pressure

Simplified Installation: Orange color-coding and flanged mounting design allow for fast replacement during service calls

Lochinvar & A.O. Smith 100277838 Board 326058-756 the Weil McLain 510-312-091 isFor veteran technicians servicing high efficiency systems, the Lochinvar & A. O. Smith 100277838 Connection Board is a critical OEM component designed for low voltage control integration. Specifically engineered for FTXL and FTX fire tube condensing boilers (models 400 850 N L), this board acts as the central hub for electrical component communication, ensuring the host SMART SYSTEM control operates with maximum precision. Whether you are managing a