Lochinvar & A.O. Smith 100111778 PCB Assembly 319847-401 which can bypass the primary

which can bypass the primary drain and damage the furnace control board or flooring

Durable Analog Construction: Built to withstand the humidity and vibration common in mechanical rooms and near pump manifolds

Common Questions: What is the reset type for this model

Will this work with my Goodman PTAC unit

Optimized Power Consumption: 14W power rating balances efficient valve lifting force with low energy draw

Lochinvar & A.O. Smith 100111778 PCB Assembly 319847-401 which can bypass the primaryThe Lochinvar & A. O. Smith 100111778 PCB Assembly is a direct replacement integrated control board designed for high efficiency commercial water heaters and boilers. This OEM control board serves as the primary logic processor, regulating ignition sequences, flame sensing, and temperature modulation to ensure precise thermal output. Engineered for rigorous duty cycles, the 100111778 circuit board utilizes a robust architecture to manage communication