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This unit operates on a standard 24V AC signal from the water heater or boiler control board
meaning it will re-close the circuit once system pressure drops back to the 300 PSI threshold
This specific model is a non-protected transformer
While this model is compatible with steam and air
Trane RLY2852 Relay 328140-751 This unit operates on aThe 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
