Description
York S1-R72DB0044 TXV Kit — Mortex Coil Replacement
The York S1-R72DB0044 is a genuine OEM thermostatic expansion valve (TXV) kit engineered specifically for use with Mortex evaporator coils. Designed to maintain precise refrigerant metering, this TXV kit helps ensure optimal system performance, consistent superheat control, and long-term reliability in residential and light commercial HVAC applications.
Why Choose a Genuine York TXV Kit?
Using an OEM-specified TXV kit guarantees compatibility with your Mortex coil assembly and York system. Aftermarket substitutes may not deliver the exact flow characteristics required, potentially leading to poor cooling performance, compressor damage, or reduced system efficiency. The S1-R72DB0044 is built to York’s exacting standards for a drop-in replacement experience.
Key Features
- Genuine York OEM replacement TXV kit
- Designed specifically for Mortex evaporator coil applications
- Provides accurate refrigerant metering for consistent superheat control
- Helps protect the compressor from liquid slugging and overheating
- Supports peak system efficiency and comfort performance
- Direct drop-in replacement for simplified installation
Application
- Compatible System Type: Mortex evaporator coil assemblies
- Component Type: Thermostatic Expansion Valve (TXV) Kit
- Brand: York (Johnson Controls)
- SKU / Part Number: S1-R72DB0044
Installation Notes
Always refer to the original equipment documentation and York installation guidelines when replacing a TXV. Proper installation, including correct bulb placement and secure sensing line contact, is critical for accurate superheat regulation. A licensed HVAC technician should perform the replacement to ensure system integrity and warranty compliance.







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