Lochinvar & A.O. Smith 100277838 Board Refrigerant the Bard HVAC 8401-027BX contactor

the Bard HVAC 8401-027BX contactor is your go-to

Smith commercial gas-fired water heaters and boilers

and the protective rubber boot and bushing

this OEM replacement part is critical for protecting the compressor from liquid refrigerant floodback

this PTCR start assist significantly reduces initial inrush current

Lochinvar & A.O. Smith 100277838 Board Refrigerant the Bard HVAC 8401-027BX contactorFor 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