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HEATSTAR 300,000 BTU Power Vented & Separated Combustion Unit Heater

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  • Power Vented Stainless Steel
  • Power Vented Aluminized Steel
  • Separated Combustion Stainless Steel
  • Separated Combustion Aluminized Steel
  • ca
  • us

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The HeatStar 300,000 BTU Power Vented Unit Heater provides big heat for big spaces. With 300,000 BTU heat, the heater spreads warmth through factories or warehouses up to 10,000 sq ft. A fan pulls air from the room to be heated, and the power vent system pumps exhaust out of the building through a single vent pipe. The design minimizes labor and makes for easy installation. Air louvers with three locking positions control the direction of the heat. Work in warmth with the HeatStar 300,000 BTU Power Vented Unit Heater.


  • Power vented units
  • Powder coated cabinet
  • 82% thermal efficiency
  • Air louvers with 3 locking positions
  • All models ship equipped for natural gas
  • (LP conversion kit sold separately)
  • Easily installs using 3/8-in -16 threaded rods (sold separately)
  • 3 Year Limited Warranty on parts
  • (Limited to 1 year in high humidity or caustic environments)
  • 10 Year Limited Warranty on aluminized steel heat exchanger
  • (Limited to 5 years when installed in corrosive environments
  • 10 Year Limited Warranty on stainless steel heat exchanger

Available Options

  • Separated Combustion Aluminized Steel - HSU300NGPAL - SKU#F163045
  • Separated Combustion Stainless Steel - HSU300NGPSS - SKU#F163035
  • Power Vented Stainless Steel - HSU300NGPSSP - SKU#F163055

  • Power Vented Aluminized Steel - HSU300NGPALP - SKU#F163065

Note: Conversion kit sold separately


    Weight 264
    Input BTU 300,000
    Heating Area (Sq Ft) 10,000
    Electrical Rating 110 vac
    Gas Inlet Connection 1/2in
    Gas Inlet Pressure Min 3.5in WC
    Gas Inlet Pressure Max 14in WC
    Clearance to Combustibles: Horizontal Above 6in; Behind 18in; Sides 6in
    Venting: Length Min/Max 5ft - 50ft
    Venting: Exhaust 6in Diameter
    Venting Direction Horizontal or Vertical
    Heat Exchanger Aluminized Steel Tubing
    Thermostat Optional Not Applicable
    Fuel Type Natural Gas
    Ignition Electronic
    Item Length (in) 35.8
    Item Width (in) 40.5
    Item Height (in) 31.5
    Item Weight (lb) 264
    Warranty 10 year limited on aluminized steel heat exchanger (5 year when installed in corrosive environments)


    This product qualifies for Free Shipping. There are no minimum purchase requirements or hidden fees. The price you see is the price you pay, without any surprises at checkout.

    Quality assurance is our top priority. Before any item leaves our warehouse, it undergoes a Complimentary Pre-Inspection. This process ensures that what you receive is exactly what you ordered, in perfect condition.

    Time is precious, and we respect yours. Our Unparalleled Speed in processing and shipping orders means you won't have to wait long for your purchase. Our efficient logistics team works tirelessly to ensure that your order is dispatched promptly and arrives well within the estimated delivery time of 3-5 Days.

    Above all, we prioritize your Peace of Mind. From secure packaging to reliable delivery partners, every step of the shipping process is designed to ensure your order reaches you safely and without any hassle. Plus, our customer service team is always here to help with any questions or concerns, providing you with a worry-free shopping experience.


    At HOC, we meticulously select our dealers from a pool of globally renowned entities, ensuring that we offer only the best to you. Our commitment to excellence is further reflected in our offering of the most Comprehensive Warranty Periods among equipment dealers across North America.

    This approach allows you to make your selection with a sense of confidence and assurance, knowing well that your purchase is under the protection of a warranty that's as steadfast and dependable as the product itself. We invite you to experience the peace of mind and trust that come with choosing HOC, where your satisfaction and security are our topmost priorities.

    To view the specific warranty period applicable to this product, and to delve into the details of your protection, please click the link below.

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    HEATSTAR 300,000 BTU Power Vented & Separated Combustion Unit Heater

    HEATSTAR 300,000 BTU Power Vented & Separated Combustion Unit Heater