Check your specific manual to confirm if your board requires the 312

allowing for both the low-volume flow required to prevent oxidation during copper brazing and the higher pressures needed for leak testing R-410A line sets

Field Serviceable: Designed for straightforward replacement

Fast-acting response with a 19-second time constant minimizes temperature swings and enhances equipment efficiency

this component provides the essential safety interlocking required for safe burner operation

Trane TRR0185 Transformer Els PW 17895 Check your specific manual toThe Trane TRR0185 Transformer is a heavy duty 250VA control power transformer engineered for high demand industrial and commercial HVACR applications. Designed for versatile field integration, this multi tap component supports a 230 460V primary voltage configuration, stepping down to a stable 115V secondary output. This specific voltage ratio is critical for powering unit controllers, solenoids, and contactors in large scale chillers and air handling