Lochinvar & A.O. Smith 100208475 Connector R-134A or the outdoor unit not

or the outdoor unit not starting despite receiving a 24V signal from the air handler

and mobile cooling units

ensuring the system returns to a known state during power loss

This specific kit is machined for the spline and mounting patterns of AFB and NFB series actuators

Lochinvar & A.O. Smith 100208475 Connector R-134A or the outdoor unit notWhen 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)