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Sterling - Tubular Propeller Natural Gas Fired Unit Heater 150,000 Btu

Item: TF-150
MFR: TF150A1NS111

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Product Info


The Tubular Gas Fired Unit Heater is a factory assembled, power vented, low static pressure type propeller fan unit heater designed to be suspended within the space to be heated. Design certified under ANSI Z83.8 for Industrial/Commercial use and IAS 10-96 U.S.(2nd ed.) Unit Heaters for Residential Installation. The designs are certified by ETL as providing a minimum of 82% thermal efficiency, and approved for use in California. These propeller units combine the latest tubular heat exchanger technology with a unique single orifice burner system in a compact, low profile design. Each unit comes with a NG to LP gas conversion kit in the box to allow for quick, simple conversion.

  • Redundant single-stage gas valve
  • 120/24V control transformer
  • OSHA fan guard
  • 115/1/60 fan motor with internal overload protection
  • Direct spark ignition
  • 20-gauge cabinet with baked enamel finish
  • 10-year heat exchanger warranty
  • Right hand control access - field convertible to left hand
  • High limit switch
  • Air pressure switch
  • Field convertible to separated combustion
  • 321 stainless steel burner box
  • 20-gauge aluminized heat exchanger
  • Power vented
  • 60 Hz


Weight155 Pounds (lbs)
Width43.5 Inches (In)
Height33.75 Inches (In)
Country of OriginUSA
UPC or Barcode700202009435
Hazardous MaterialNo
EPA Cert RequiredNo
Length25.25 Inches (In)
BTU Input150000
BTU Output124500
CertificationsNFPA 70; NFPA 54; ASHRAE 90.1 Section 6 Heating, Ventilating & AC
Connection Size1/2"
Connection TypeThreaded
Energy Star RatedNo
FinishBaked Enamel
GasNatural Gas
Gas Connection1/2" [12.7 mm] N.P.T.
Gas TypeNatural
Ignition TypeDirect Spark
Motor HP1/4 HP
Motor TypePSC
Thermal Efficiency0.83
UL ListedNo
UL RecognizedNo
Voltage115 VAC
Warranty Offered10 Year Heat Exchanger- 10 Year Flue Collector - 10 Year Burners - 1 Year Remaining Components


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