Carrier KHAIR0201AAA Relay Kit 30067439-890 As a critical switching mechanism

As a critical switching mechanism

Whether used in livestock watering tanks or commercial heat transfer units

this Nordyne OEM replacement part ensures quiet operation and long-term durability in demanding thermal environments

This SPST cold control is designed for high-performance switching

making it a reliable choice for demanding rooftop or equipment room environments

Carrier KHAIR0201AAA Relay Kit 30067439-890 As a critical switching mechanismThe Carrier KHAIR0201AAA Isolation Relay Kit is a crucial OEM component designed for split system heat pumps, specifically 2 stage models including the CH17NA series. This 24V, 50 60Hz relay functions as a low ambient control bypass, effectively switching the controller out of the outdoor fan motor circuit during heating and defrost cycles to ensure stable head pressures and prevent motor stalling. Engineering grade electrical isolation protects