How to Wire Modine Heaters | Hunker These heaters burn natural gas, which heats up a component known as a heat exchanger. A fan blows air across the heat exchanger, and as a result the air warms. Wiring a Modine heater will require you to run an 120-volt electrical wire from a power source to the heater and a low-voltage thermostat wire from the thermostat to the heater. Modine Manufacturing PD Installation And Service Manual Modine Manufacturing Company offers power exhausters as an accessory. Power exhausters not supplied by Modine 8. When the vent passes through a combustable wall or floor, Manufacturing Company are not permitted. Any wiring different from the wiring diagram could result in a hazard to persons and property. Modine Heater Parts for PA PAE PD PV and other gas heaters Modine Installation Manuals & Wiring Diagrams Modine's collection of installation manuals and wiring diagrams for discontinued models like the PA, PAE, PD, PV heaters and more are available here. Modine Heater Burners: All replacement Modine burner assemblies are stainless steel.