Description
The York S1-VLHP-DSF9 is a genuine OEM Dunan reversing valve designed for use in 1.5-ton heat pump systems. As a critical component in the refrigeration circuit, the reversing valve controls the direction of refrigerant flow, enabling the system to switch seamlessly between heating and cooling modes. Engineered to York’s specifications, this replacement valve ensures reliable, long-term performance and restores full heat pump functionality when the original valve fails.
Key Features
- Genuine York OEM replacement reversing valve
- Dunan-manufactured for proven reliability in heat pump applications
- Sized for 1.5-ton (18,000 BTU) heat pump systems
- Controls refrigerant flow direction to enable both heating and cooling modes
- Direct OEM replacement for simplified installation
- Restores full system performance and efficiency
Application
This reversing valve is a factory-specified component for compatible York heat pump units. It is intended for use by licensed HVAC technicians performing refrigeration circuit repairs or component replacements. Always recover refrigerant and follow all applicable safety codes and manufacturer guidelines prior to installation.
Product Details
- Brand: York
- SKU: S1-VLHP-DSF9
- Manufacturer: Dunan
- Capacity: 1.5 Ton
- Application: Heat Pump Reversing Valve









