Lochinvar & A.O. Smith 100111940 Display 321702-401 the brass body construction supports

the brass body construction supports a maximum operating pressure of 450 PSI

This OEM double-inlet blower wheel features a 10x8 inch configuration with a concave hub design

allowing for rapid identification of pressure switch trips or flame sensing issues

Using a wet rag or heat-sink paste on the valve body is mandatory to protect internal seals

delivering a 11

Lochinvar & A.O. Smith 100111940 Display 321702-401 the brass body construction supportsThe 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