Common indicators include inconsistent water temperatures

Whether you are addressing a furnace relay replacement or integrating a booster fan

This genuine OEM replacement features a -

including eight bolts and nuts

Lochinvar & A.O. Smith 100208475 Connector 318172-701 Common indicators include inconsistent waterWhen you're dealing with a communication fault or a total system lockout on a high efficiency unit, the Lochinvar & A. O. Smith 100208475 Board Connector is a critical point of failure to inspect. This genuine OEM connection board, which replaces legacy part numbers RLY20066, RLY20066K, and 100167582, serves as the primary interface between the main control module and peripheral system sensors. Engineered for the Lochinvar Crest (models CHN and CHL)