Modine 3H0346700003 Conversion Kit

The Modine 3H0346700003 Conversion Kit is a specialized OEM solution designed for field-converting unit heaters from natural gas to liquid propane (LP). As a direct equivalent to Modine 28045, this kit is engineered for precision compatibility with Modine PD50 and BD50 model series. For technicians managing fuel transitions, this high-grade LP conversion kit ensures the manifold pressure and orifice sizing align with manufacturer specifications for clean, efficient propane combustion. Utilizing genuine HVAC replacement parts like the 3H0346700003 maintains the structural integrity of the burner assembly and gas valve, preventing common combustion issues such as sooting or irregular flame patterns. This kit includes the necessary regulator spring and orifices required to modify the gas train for liquid propane operation, allowing for seamless integration into existing Modine HVAC equipment setups where natural gas infrastructure is unavailable.

• Exact OEM Match: Fully replaces and performs identically to Modine 28045, ensuring a perfect fit for PD50/BD50 series heaters.
• Optimized Combustion: Includes precision-drilled orifices to maintain the correct BTU output and prevent burner overheating during LP conversion.
• Reliable Fuel Transition: Designed to work with standard Honeywell or White-Rodgers gas valves found in Modine units.
• Durable Construction: Manufactured using high-quality metals to withstand the higher pressure and chemical properties of liquid propane.
• Professional Grade: Essential for maintaining safe operating parameters in industrial and commercial unit heaters.

Which Modine models is this kit compatible with?
The 3H0346700003 is specifically engineered for the Modine Hot Dawg PD50 and BD50 models. Always verify the control code on your serial plate before installation.

Is the 3H0346700003 the same as part number 28045?
Yes, these two part numbers refer to the same Nat to LP conversion kit components and are interchangeable for servicing 50,000 BTU units.

Why should I use an OEM conversion kit instead of generic orifices?
OEM kits like this Modine conversion kit include the specific gas valve springs and regulator components required to manage the higher density of LP gas, ensuring the safety of the heat exchanger.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.