Copeland 998-0335-00 Valve Kit 321042-401 this Aaon expansion valve provides

this Aaon expansion valve provides the rugged durability needed to handle demanding duty cycles and stabilize system pressures

Technicians should verify if additional gaskets or burner components are required based on the specific condition of the existing rooftop unit

Multi-Functional Design: Serves as both a steam boiler LWCO and a primary pump interface with integrated water column features

Always verify your specific blower wheel’s orientation before installation

The Johnson Controls P352PQ-1 is a high-precision electronic proportional plus integral pressure control designed for maintaining accurate static air pressure in commercial HVAC systems

Copeland 998-0335-00 Valve Kit 321042-401 this Aaon expansion valve providesThe Copeland 998 0335 00 Valve Kit is an essential OEM service component designed to maintain the directional integrity of refrigerant flow within high performance HVACR systems. As a veteran technician knows, a failing internal check valve can lead to damaging refrigerant migration and liquid slugging during the off cycle, which compromises the compressor's longevity. This SERV CHECK VALVE KIT provides a precise fit for Copeland refrigeration units,