Smith 100173749 Heat Exchanger Access Door is a critical combustion chamber component engineered for Lochinvar Knight WB and SNA/SLA series boilers

ensuring that timing and safety parameters remain within factory tolerances

the "/U" suffix typically denotes a universally packaged version for retail or distribution

allowing technicians to fine-tune the output pressure to compensate for specific system offsets

Enhanced System Longevity: Protects the blower assembly and heat exchanger by preventing over-temperature conditions

Trane MOT10352 Motor 326058-755 Smith 100173749 Heat Exchanger AccessThe Trane MOT10352 Motor is a high performance, 3 5 HP industrial grade replacement designed for heavy duty HVACR applications. Operating at 460V and a consistent 1075 RPM, this 2 speed blower motor provides the torque and versatility required for precise airflow management in commercial air handlers and rooftop units. Engineered with a durable NEMA 48 frame and sleeve bearings, the MOT10352 is built to handle the rigorous duty cycles of industrial