Lochinvar & A.O. Smith 100163259 Sight Glass Kit 319847-401 Integrated Logic: Manages blower timings

Integrated Logic: Manages blower timings and ignition controls within a single module for simplified system architecture

a precision-engineered solution for integrating 4-20 mA control signals into your HVACR systems

Non-Lockout Operation: The 780-715 module provides continuous ignition attempts while demand for heat is present

the small black cap should be loosened one full turn to allow air to escape

Optimized Performance: Sustains 1075 RPM at 1/4 horsepower for efficient heat exchange and air distribution

Lochinvar & A.O. Smith 100163259 Sight Glass Kit 319847-401 Integrated Logic: Manages blower timingsThe 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