Lochinvar & A.O. Smith 100163259 Sight Glass Kit 323613-751 Corrosion-resistant finish helps maintain surface

Corrosion-resistant finish helps maintain surface integrity in demanding mechanical environments

Key Benefits: Optimized Airflow: The 23-degree pitch moves high volumes of air efficiently

The integrated spring return actuator ensures a reliable fail-safe position upon loss of 24Vac or 24Vdc power

Built with heavy-duty bearings and a standard NEMA frame mounting pattern

maintaining the HVAC airflow optimization required for efficient heat exchange

Lochinvar & A.O. Smith 100163259 Sight Glass Kit 323613-751 Corrosion-resistant finish helps maintain surfaceThe Lochinvar & A. O. Smith 100163259 Sight Glass Kit is a critical OEM replacement part designed for high performance visual monitoring in Lochinvar Knight and A. O. Smith residential and commercial boilers. Engineered for high pressure HVACR environments, this kit allows technicians to verify flame ignition and combustion stability without compromising the integrity of the heat exchanger seal. As a direct replacement for obsolete part numbers