Carrier 321702-401 Barrier 30067439-890 This fault usually indicates that
Baker’s notes & crumb story
Description
Carrier 321702 401 Barrier 30067439 890 This fault usually indicates that This fault usually indicates that the temperature sensor is no longer providing a signal that aligns with its calibrated range meaning it drops right into existing 1 1 2 inch flanged piping without the need for extensive re sweating or manifold modifications