The Trane TRR1729 is a step-down control transformer that converts 115V primary power to 24V secondary for furnace control circuits. Rated at 35VA, it supplies stable low-voltage power to contactors, gas valves, and electronic control boards in residential and commercial Trane heating systems. Direct OEM replacement for legacy part numbers C340041P05, C340041P04, C340041P01, and TRR01729. Foot-mount design with color-coded leads for quick installation.
Trane TRR1729 Control Transformer 115V-24V 35VA
Trane
Price on request
- OEM / cross-reference
- C340041P05, C340041P04, C340041P01, TRR01729
- Fits brands
- Trane, American Standard
- Replaces
- C340041P05, C340041P04, C340041P01, TRR01729
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Trane
Trane TRR1729 Control Transformer 115V-24V 35VA
- SKU:
- TRR1729
- Product Type:
- Control Transformer
- Subcategory:
- Step-Down Transformer
- Application:
- Residential/Commercial
- System Type:
- Furnace, Air Handler
- Installation Type:
- OEM Replacement
- Voltage:
- 115V Primary / 24V Secondary
- Voltage Class:
- Line Voltage
- Phase:
- Single Phase
- Mounting Type:
- Foot Mount
- Connection Type:
- Screw Terminal