Using a genuine Rheem-Ruud pressure switch is recommended because the factory-calibrated "closing" and "opening" pressure points are specific to the unit's blower performance and heat exchanger design

Key Benefits: Direct OEM Compatibility: Guaranteed fit for Source1

Key Benefits Universal Compatibility: Serves as a direct technical replacement for 37C73U-274 and select A

Whether you are performing a Honeywell SmartValve troubleshooting task or a full system upgrade

This valve is sized for 3

Lennox 64G21 Distributor Assembly 324846-701 Using a genuine Rheem-Ruud pressureProtect system efficiency and ensure uniform refrigerant distribution with the Lennox 64G21 Distributor Assembly. Engineered as an authentic OEM HVAC replacement part, this assembly is critical for maintaining the balance of the evaporator coil circuiting, preventing liquid slugging and ensuring consistent heat transfer across the fins. This refrigerant distributor assembly is designed for high performance Lennox units, utilizing a robust construction