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

this element is specifically rated for 208V or 240V systems

unexpected flame failure lockouts

Key Benefits: Precise Voltage Regulation: Operates at 208/240V to ensure reliable power distribution to the igniter and blower motor

identified as Hatcol 3693

Lochinvar & A.O. Smith 100277940 Board 30067439-890 providing superior thermal resistance andThe 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