Description
The Rheem-Ruud FP-31 is an OEM Natural Gas to Liquid Propane (L-P) Conversion Kit designed to convert compatible Rheem and Ruud heating equipment from natural gas operation to liquid propane fuel. This kit provides a straightforward, manufacturer-approved solution for installations where natural gas service is unavailable or where LP fuel is preferred.
Key Features
- Converts compatible Rheem and Ruud heating units from natural gas to liquid propane (L-P)
- OEM-engineered for precise fit and reliable performance
- Helps ensure proper combustion efficiency after fuel-source change
- Designed for use with select Rheem and Ruud furnaces and heating appliances
- Supports code-compliant fuel conversion when installed per manufacturer instructions
Why Choose the Rheem-Ruud FP-31?
Switching fuel sources on a heating system requires components that meet the original equipment manufacturer’s specifications. The FP-31 conversion kit is engineered by Rheem-Ruud to deliver a safe, accurate transition from natural gas to LP, preserving system efficiency and equipment warranty compliance. Whether you’re servicing a residential furnace in a rural area without natural gas access or retrofitting an existing installation, the FP-31 provides the confidence of an OEM solution.
Application
- Compatible with select Rheem and Ruud furnaces and heating appliances requiring LP conversion
- Intended for installation by qualified HVAC technicians
- Verify compatibility with the specific unit model before installation







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