Bard HVAC 8401-002BX Contactor Els PW 17895 What does it mean if

What does it mean if the sight glass indicator is yellow

This HVAC replacement contactor is optimized for standard 24-volt control circuits

reducing arcing and extending the life of the control

When replacing legacy thermostats

replacing it with a manual reset version can lead to improper system cycling and safety issues

Bard HVAC 8401-002BX Contactor Els PW 17895 What does it mean ifThe 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