For contractors servicing Mfr

it immediately triggers a safety lockout to prevent fuel flow

Rugged Construction: Features a forged brass housing and nickel-plated stem for superior corrosion resistance and longevity

utilizing the genuine Reznor 220786 ensures factory-spec performance and proper alignment with existing mounting points

they often lack the precise positioning required for York gas furnace ignition

Lochinvar & A.O. Smith 100110717 Transformer 321042-401 For contractors servicing MfrThe Lochinvar & A. O. Smith 100110717 Transformer is a critical low voltage power solution engineered for commercial water heaters and high efficiency boiler control circuits. This 120V to 24V step down transformer provides a steady 40 VA output, ensuring consistent performance for ignition modules, gas valves, and electronic controllers. Designed as a direct OEM replacement (also referenced as 9005901205), it features a primary voltage tap of 120V