Lochinvar & A.O. Smith 100208468 Control 321894-709 preventing expensive mechanical failures due

preventing expensive mechanical failures due to temperature-related oil breakdown

The integrated 1 NO auxiliary contact allows for efficient status monitoring

Drop-in Replacement: Verified identical to Watts 382820 and Weil-McLain 511-546-950 for simplified field inventory

this component is an essential HVACR replacement part for technicians maintaining high-efficiency refrigeration cycles

ensuring stable environmental control in direct-fired equipment

Lochinvar & A.O. Smith 100208468 Control 321894-709 preventing expensive mechanical failures dueThe Lochinvar & A. O. Smith 100208468 User Interface Control is a critical OEM replacement part engineered for precise management of commercial boiler and water heater systems. Designed to replace legacy part numbers RLY20031, RLY20031K, and 100167553, this control board serves as the primary communication hub between the technician and the appliance's internal logic. It is specifically calibrated for the Copper Fin II series, including models CF 402