Description
The Trane KIT9661 is an OEM thermostatic expansion valve (TXV) kit designed for Trane TC and YC series units with a 180 capacity designation. This kit includes both the thermostatic expansion valve and a filter drier, providing a complete solution for restoring accurate refrigerant metering and protecting the refrigeration circuit in a single service call.
Why Replace Your TXV?
The thermostatic expansion valve is the heart of the refrigerant metering system. A failed or underperforming TXV can result in poor system efficiency, inconsistent cooling, compressor flooding, or high superheat conditions. Using a genuine Trane OEM replacement kit ensures proper fit, calibration, and performance matched to your specific TC/YC equipment.
Kit Contents
- Thermostatic Expansion Valve (TXV) — factory-calibrated for TC/YC series units
- Filter Drier — removes moisture and contaminants from the refrigerant circuit
Key Features & Benefits
- Genuine Trane OEM replacement kit — engineered for direct compatibility with TC/YC series units
- Bundled filter drier ensures moisture and debris are eliminated during valve replacement
- Restores precise superheat control for optimal system efficiency and compressor protection
- Reduces callbacks by addressing both metering and filtration in one service visit
- Designed to meet original equipment specifications for reliable, long-term performance
Compatible Equipment
- Trane TC series units (180 capacity designation)
- Trane YC series units (180 capacity designation)
Installation Notes
Always replace the filter drier any time the refrigerant circuit is opened. Follow all applicable local codes and manufacturer guidelines. System should be properly evacuated before recharging. Refer to the Trane service literature for your specific unit model for torque specifications and refrigerant charge requirements.







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