it is specifically rated for UL555S smoke control systems

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

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

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

the package contains two 3/4" x 1/2" reducer bushings and a natural-to-LP conversion kit

Carrier 50DK406356 Header Assembly 322027-701 it is specifically rated forThe 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