the C x C (Cup to Cup) ends are designed to join ASTM B280 and ASTM B88 seamless copper tube

Rugged Construction: Equipped with solid copper connections and a permanent inlet strainer to protect the internal orifice from debris

this pan is designed to fit specific York and Johnson Controls evaporator coils

Reliable Sealing: High-grade materials designed for standard and high-pressure refrigerants common in HVACR service

always verify your regulator’s orifice size and inlet pressure to ensure the 10-18" w

Carrier 50DK406356 Header Assembly 322027-701 the C x C (CupThe Carrier 50DK406356 Header Assembly is a critical fluid distribution component engineered for high capacity Carrier rooftop units and chiller heat exchangers. Designed to maintain precise refrigerant or water flow across the coil bank, this header assembly ensures balanced pressure drops and optimal thermal transfer. For technicians performing HVAC coil repairs or system overhauls, the 50DK406356 provides the exact mechanical fit required to