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Whether you are dealing with a blown furnace transformer due to a shorted contactor or a simple component failure
this specific model (70-42278-02) is strictly rated for 208-230V operation
This is often caused by a dirty condenser coil
Direct Replacement: Eliminates the need for complex wiring adaptations by matching OEM terminal configurations
5 Amps at 125 VDC
Lochinvar & A.O. Smith 100208468 Control 320074-702 Whether you are dealing withThe 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
US$ 774.50
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