Lochinvar & A.O. Smith 100109948 Ignitor 319852-301 with a pilot duty rating

with a pilot duty rating of 125VA

the A-4423-2 provides the stability needed to maintain a constant pressure dew point

Industrial Grade Build: Features a robust stake hub and steel spider assembly to ensure long-term balance and reduced bearing wear

Enhanced Safety Protocols: Continuous flame monitoring and hardware-level safety checks for blocked drains and low gas pressure

Lochinvar & A.O. Smith 100109948 Ignitor 319852-301 with a pilot duty ratingThe Lochinvar & A. O. Smith 100109948 Ignitor is a high performance silicon carbide hot surface ignitor engineered specifically for precision ignition in residential and commercial heating systems. This 120V HSI replacement serves as the direct updated version for the legacy 768A 211 model, ensuring reliable flame sensing and consistent ignition cycles under high demand conditions. Designed to meet the exact specifications of original equipment