Trane RLY1357 Relay 320074-702 it is engineered for precision

it is engineered for precision fitment in specific Utica Boiler and Dunkirk series

and springs—necessary to restore factory-spec sealing and response times

By utilizing dedicated HVAC pneumatic tools

Is this the correct replacement for the older FM1D20A-120 model

Universal Compatibility: Fits various Nordyne

Trane RLY1357 Relay 320074-702 it is engineered for precisionThe Trane RLY1357 is a precision engineered 24V DPDT pilot duty relay designed for reliable switching in commercial and residential HVACR control circuits. Rated for 3 amps, this double pole double throw relay provides the necessary isolation and sequence control for complex wiring configurations. As a genuine Trane OEM replacement part, the RLY1357 ensures seamless logic integration with existing Trane air handlers and rooftop units, maintaining