Lochinvar & A.O. Smith 100111778 PCB Assembly 340155-7026 Common Questions What is the

Common Questions What is the set point and differential for this switch

Simplified Installation: Extended sweat ends protect internal seals from heat damage during brazing

As with all furnace ignitors

This valve is field adjustable for negative pressures up to -3

Lochinvar & A.O. Smith 100111778 PCB Assembly 340155-7026 Common Questions What is theThe 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