The York 1NP0459 is a genuine OEM Natural Gas to Liquid Propane (LP) Conversion Kit designed to convert compatible York heating equipment from natural gas operation to liquid propane fuel. This factory-authorized kit ensures your unit performs to original manufacturer specifications after conversion, maintaining efficiency, safety, and reliability.
Why Choose the York 1NP0459 Conversion Kit?
When a natural gas supply is unavailable or a fuel source change is required, the York 1NP0459 provides a straightforward, OEM-approved solution. Using genuine York parts ensures proper orifice sizing, regulator settings, and component compatibility — eliminating the guesswork and safety risks associated with aftermarket alternatives.
Key Features
- Genuine OEM York replacement conversion kit
- Converts compatible York heating units from natural gas (NG) to liquid propane (LP)
- Includes components engineered to York factory specifications
- Designed for precise fit and function on compatible York equipment
- Helps maintain original unit efficiency and safety ratings post-conversion
- Supports code-compliant installation when installed per manufacturer instructions
Application
- Compatible with select York furnaces and heating equipment — verify model compatibility before ordering
- Intended for installation by a qualified HVAC technician or licensed gas professional
Important Notes
Always consult the equipment’s installation manual and local codes before performing a fuel conversion. Conversion must be performed by a qualified technician. Verify unit compatibility using the York model number prior to purchase.








