Grundfos 96408692 Terminal Box 322838-754 or a complete lack of

or a complete lack of power to the air handler or condenser despite proper incoming voltage

the green system ready LED will illuminate

High Pressure Capability: Engineered to handle 35 PSI max vessel pressure

this assembly is rated for use with water and glycol solutions up to a 50% concentration

They are identical

Grundfos 96408692 Terminal Box 322838-754 or a complete lack ofThe Grundfos 96408692 Terminal Box is a critical replacement component engineered specifically for UP26 96 Grundfos circulator pumps operating on 115V single phase power. This OEM terminal box assembly ensures a secure, moisture resistant housing for electrical connections, maintaining the integrity of the motor leads and capacitor termination. Designed for seamless integration, it features the standard mounting footprint and gasket interface required