Description
Ensure dependable control voltage for your HVAC system with this genuine OEM Trane transformer, engineered to meet the demanding electrical requirements of modern heating and cooling equipment. This TRR1729 transformer safely steps down line voltage to low voltage control power — powering thermostats, relays, circuit boards, and other control components reliably and efficiently.
Key Features
- Authentic OEM Replacement: Precision manufactured by Trane to exact specifications for superior reliability and long service life.
- 115V → 24V Output: Converts standard 115 V line power to 24 V low voltage control power for HVAC circuits.
- 35 VA Power Rating: Provides ample control power for thermostats, relays, zone controls, and other 24 V system components.
- Compact Footprint: Designed for easy installation in furnace and air handler applications without taking up excessive space.
- Direct Replacement: Fits systems originally equipped with part numbers like C340041P05 and TRR01729 — making upgrades or repairs seamless.






