Skip Content

Filter Results By

BtuH Input
  • View MoreView Less
Gas Type
Fan Type
Air Flow
  • View MoreView Less
Flue Dia.
Full Load Amps
  • View MoreView Less
Gas Connection
BtuH Output
  • View MoreView Less
O.C. Mounting
Height
Width
  • View MoreView Less
Depth
  • View MoreView Less
Price
  • View MoreView Less
Shop By
Ratings

Gas Unit Heaters

3 Results Found that Include 50 Products 

Results per page: 16 | 32 | 48
    • Dayton Gas Unit HeatersDayton Gas Unit Heaters
    • Multiple product options available

      Multiple product options available

      Description

      Heaters provide 83% thermal efficiency and are outfitted with a tubular heat exchanger and a direct spark inshot burner ignition which requires no gas/air mixture regulation adjustments. Power venting allows horizontal venting through side walls; use single- or double-wall vent pipe for vertical venting, single-wall for horizontal venting.

      Brands

    • Dayton Gas-Fired Low-Profile Unit HeaterDayton Gas-Fired Low-Profile Unit Heater
    • Multiple product options available

      Multiple product options available

      Description

      Versatile NG/LP heaters are field-convertible for separated combustion applications with an approved vent kit, sold separately. Approved for installation in residential garage, commercial, and industrial applications; multitapped rails allow multiple O.C. distances. 24V thermostat required, sold separately. ETL Certified in accordance with both Categories I and III venting requirements.

      Brands

    • Dayton Gas Unit Heaters, Separated CombustionDayton Gas Unit Heaters, Separated Combustion
    • Multiple product options available

      Multiple product options available

      Description

      Heaters use outside air for combustion, enabling operation in areas having slight negative pressures (near exhaust fans, etc.), with no adverse effect on combustion or venting. Isolated burners allow heating of special environments. LED diagnostic control board provides simple operation. 24V thermostat required. Blower units can overcome up to 0.2" External Static Pressure (ESP). Direct spark inshot burner ignition, except on select models. ETL Certified.

      Brands

    Results per page: 16 | 32 | 48

      Install a gas unit heater to warm a high-ceilinged, vented work area without ducts. Grainger's inventory of rugged Dayton unit heaters includes both natural gas and liquid propane models, some with heat outputs that exceed 100,000 BtuH. For a reliable heating system, come to Grainger.