Carrier 30GB660001 Header Assembly R-410A the 667277 is the direct

the 667277 is the direct replacement for the older 667277R part number

and electric heat circuits

This authentic OEM component is a direct replacement for the Lochinvar PLT3000 and the older PLT2000 models

Smith 100077850

Carrier 30GB660001 Header Assembly R-410A the 667277 is the directThe Carrier 30GB660001 Header Assembly is a critical fluid distribution component engineered specifically for Carrier 30GB series air cooled chillers. This programmable header assembly manages refrigerant flow and pressure stabilization across the heat exchanger circuits to ensure optimal thermal transfer efficiency. Constructed with heavy duty materials to withstand high pressure fluctuations and corrosive environmental conditions, the 30GB660001