Nordyne 669190R Drain Pan 320788-702 using the correct color-coded spring

using the correct color-coded spring is essential for ensuring the diaphragm responds correctly to varying flow demands and inlet pressures

this relay prevents the head pressure issues and winding stress associated with rapid restarts in high-demand commercial and industrial environments

minimizing droop and boosting efficiency in commercial gas meter sets

it eliminates the risk of liquid refrigerant slugging at startup—a leading cause of catastrophic valve and bearing failure

The B339 is the current production standard

Nordyne 669190R Drain Pan 320788-702 using the correct color-coded springThe Nordyne 669190R Drain Pan is an essential OEM replacement part designed for high efficiency condensate management in Nordyne furnace and air handler assemblies. Engineered as a low profile galvanized steel pan with a protective plastic rim, this component provides a robust solution for capturing and directing the moisture generated during the heating and cooling cycles. This specific HVAC drain pan is critical for preventing moisture related