Modine 3H0337490004 Conversion Kit 328140-751 and adapter rings to fit

and adapter rings to fit various direct drive blower housings

eliminating the risks associated with universal or generic boards

This specific door assembly is engineered for legacy R-22 PTAC models

immediately initiating a system lockout to prevent carbon monoxide leakage or equipment damage

or visible cracks in the plastic housing that lead to vacuum pressure loss

Modine 3H0337490004 Conversion Kit 328140-751 and adapter rings to fitThe Modine 3H0337490004 is a field proven natural gas to propane conversion kit engineered for seamless fuel transitions in Modine unit heaters. As a veteran tech, you know that maintaining burner efficiency and manifold pressure is critical when switching to LP. This OEM Modine replacement part ensures your equipment maintains its high performance standards without the risk of improper combustion or soot buildup common with generic kits. Designed for