Trane RLY1357 Relay 320074-702 and springs—necessary to restore factory-spec

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

Technical Specifications and Key Benefits Adjustable Operating Range: Precision control between 3 and 15 psi for diverse pneumatic system requirements

also identified as model 2815-006

Designated for high-recovery series including the BTF 80-200 and BTF 80-201 models

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

Trane RLY1357 Relay 320074-702 and springs—necessary to restore factory-specThe 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