The module should be wired in series between the master controller output and the actuator input

requiring a filter-drier replacement to prevent system damage

the 71520318 is the official replacement for 71520304

even when the pump and flow are functional

Nordyne 104876703R Programmed Motor R-407C The module should be wiredThe Nordyne 104876703R Replacement Motor Program G7SA 072 B is a factory authorized replacement blower motor engineered for select Nordyne, Gibson, Frigidaire, Intertherm, Maytag, Tappan, and related furnace platforms utilizing the G7SA 072 B configuration. Designed to restore proper airflow performance and maintain furnace operating efficiency, this furnace blower motor provides an exact fit solution for HVAC service technicians and contractors