Reznor Series V3 comes in axial propeller fan and high air throw centrifugal blower units, with power vented exhaust or premium separated combustion. Fourteen sizes range from 30,000-400,000 Btu/hr. Heater is suspended with 2 or 4 points, or via optional ceiling mount hanger. Low-voltage terminal strip is located on outside of cabinet for easy wiring. Features include single-stage gas valve and multitry direct spark ignition.