Built for durability in high-moisture environments

providing superior thermal resistance and protection against electrical breakdown in high-ambient environments

the TX3N2 is strictly designed for R22 refrigerant

Common Questions Is the Lennox 93G97 interchangeable with standard industrial bearings

unexpected flame failure lockouts

Lochinvar & A.O. Smith 100277940 Board 30067439-890 Built for durability in high-moistureThe Lochinvar & A. O. Smith 100277940 Board is a critical low voltage connection board engineered for precision signaling in high efficiency heating systems. Specifically designed for the Knight KH055 285 fire tube boilers, this OEM replacement part serves as the central communication interface between the main controller and auxiliary system components. As a veteran technician knows, maintaining signal integrity in commercial water heating