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Its normally open (N
This OEM replacement ensures the correct NEMA frame size and shaft dimensions for a drop-in fit
OEM Compatibility: Ensures a direct fit and immediate communication with existing system wire harnesses
this control is a standard choice for contractors looking for reliability in head pressure control and high-limit cutout applications
Lochinvar & A.O. Smith 100277838 Board 321702-401 Its normally open (NFor 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