Description
The York S1-1TVMBF1 is a genuine OEM thermostatic expansion valve (TXV) kit engineered for use with R-410A refrigerant systems. Featuring a 3/4″ valve body and Chatleff-style connections, this kit delivers accurate refrigerant metering to maintain optimal evaporator performance and system efficiency.
Product Overview
Designed as a direct OEM replacement for compatible York and Johnson Controls residential and light commercial cooling systems, the S1-1TVMBF1 TXV kit regulates refrigerant flow into the evaporator coil based on superheat demand. Chatleff connections provide a secure, leak-resistant fitting interface specifically suited for R-410A high-pressure applications.
Key Features
- Genuine York OEM replacement TXV kit
- Designed for R-410A refrigerant systems
- 3/4″ valve body for proper flow capacity matching
- Chatleff-style connections for secure, leak-resistant installation
- Maintains precise superheat control for optimized system efficiency
- Helps protect the compressor from liquid slugging
- Direct drop-in replacement for compatible York systems
Application
- Compatible with York and Johnson Controls R-410A split-system air conditioners and heat pumps
- Suitable for residential and light commercial HVAC applications
- Intended for use by licensed HVAC technicians
Why Choose a Genuine York TXV Kit?
Using a genuine OEM TXV kit ensures compatibility, reliability, and warranty compliance. The S1-1TVMBF1 is manufactured to York’s exact specifications, providing consistent superheat regulation, reduced system wear, and long-term performance you can count on.







Reviews
There are no reviews yet.