Lochinvar & A.O. Smith 100111940 Display 318172-701 For safety circuit integrity

For safety circuit integrity

The "L" indicates it is a limit control that opens on temperature rise

effectively eliminating the temperature swings associated with standard on/off valves

This HVAC circuit board replacement functions as the system's central processing unit

Integrating this switch ensures the integrity of the primary heat exchanger and maintains the sequence of operation required for system longevity

Lochinvar & A.O. Smith 100111940 Display 318172-701 For safety circuit integrityThe Lochinvar & A. O. Smith 100111940 User Interface Display is a critical OEM replacement part engineered for high efficiency commercial boilers and volume water heaters. This Smart System control interface serves as the primary communication hub between the technician and the internal logic board, allowing for precise parameter adjustment and real time diagnostic monitoring. Built to withstand the rigorous demands of mechanical rooms, this display