Trane RLY2852 Relay 328140-751 While this model is compatible

While this model is compatible with steam and air

This specific model is a non-protected transformer

Universal Compatibility: Serves as the official 0386421 replacement for discontinued T1156F and 0386500 models

This unit operates on a standard 24V AC signal from the water heater or boiler control board

The actuator can be mounted in any orientation

Trane RLY2852 Relay 328140-751 While this model is compatibleThe Trane RLY2852 Relay is a heavy duty 24v DPDT Relay engineered for precision switching in industrial and residential HVACR applications. As a genuine OEM Trane replacement part, this double pole double throw relay features a 24V coil designed to manage dual independent circuits simultaneously, making it an essential component for controlling compressors, fan motors, and sequencing valves. Built to withstand the rigors of high frequency cycling in