0 Cv rating and is ideally suited for fan coil units

There is no difference

This is a 3-pole contactor

or the furnace is tripping on a high-pressure limit switch

High Pressure Rating: Capable of handling rigorous HVAC service demands with a working pressure threshold of up to 5

Bard HVAC 8401-002BX Contactor Els PW 17895 0 Cv rating and isThe Bard 8401 002BX Contactor is a critical heavy duty electrical component engineered for precise load switching in HVAC compressor circuits and fan motor assemblies. This 3 pole magnetic contactor features a 24V low voltage coil and is rated for a 25 amp full load current, making it the direct OEM replacement for legacy part numbers S8401 002 and 8401 002. Designed for high cycle reliability in wall mount heat pumps and air conditioners, this