Modine 3h34670-9 Lp Conversion Kit 250000 Btu/h

Product Description

The MODINE 3h34670-9 is a liquid propane (LP) conversion kit rated at 250,000 BTU/h, designed to convert compatible PDP and BDP series power-vented unit heaters from natural gas operation to LP fuel service. The kit supplies the necessary components to reconfigure the gas train and burner assembly for proper LP combustion. Installation is performed by a qualified HVAC or gas service technician as part of a planned fuel-type changeover. Correct fuel conversion is critical to safe heater operation and ensures the unit performs within its rated output and pressure specifications.

This conversion kit applies to Modine PDP and BDP series unit heaters at the 250,000 BTU/h input capacity. These models are commonly installed in commercial and industrial settings such as warehouses, manufacturing facilities, garages, and hangars where high-output gas-fired unit heating is required. The kit is intended for use during initial installation fuel-type changes or when a facility transitions from a natural gas supply to LP cylinder or tank service.

Key Features

• Converts PDP and BDP series unit heaters from natural gas to liquid propane (LP) operation
• Rated for 250,000 BTU/h input capacity heaters
• OEM Modine kit ensuring proper component fit and fuel calibration for the intended model series
• Supports safe fuel-type changeover when transitioning to LP supply

Compatibility

Designed for use with Modine PDP and BDP series power-vented unit heaters at the 250,000 BTU/h input rating. Refer to the heater model nameplate and Modine documentation to confirm this kit matches the specific unit before installation.

Installation Notes

LP conversion work must be performed by a licensed HVAC technician or gas service professional in accordance with local codes, the IFGC, and the heater manufacturer instructions. Shut off and lock out the gas supply and disconnect electrical power to the unit before beginning any conversion procedure. Do not fire the unit until all conversion components are installed, all gas connections are leak-tested, and the unit has been verified for proper LP operation per the manufacturer startup checklist.

Technical Specifications

• Fuel Type (After Conversion): Liquid Propane (LP)
• Input Capacity: 250,000 BTU/h
• Compatible Series: PDP, BDP
• UPC: 046629280515

Standard Information

• Brand: MODINE
• Manufacturer Part Number: 3h34670-9