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Offers fuel savings up to 70%. Straight Tube heaters provide heat for an entire building. Vacuum system pulls products of combustion through combustion chamber for increased radiant efficiency and greater safety. Reliable direct spark ignition and 100% gas shut-off safety control. Up to 50' of ducting in fresh air and 75' sidewall venting capability. Vacuum system features a totally enclosed combustion chamber. Heavy duty draft inducer assembly features permanently lubricated totally enclosed ball bearing motor for maintenance-free operation. Highly efficient aluminum reflectors. Includes diaphragm air switch, heavy duty cast iron burner and burner inspection sight glass. Diagnostic monitoring light system. 120V supply required. CSA certified. This Product has 5 year limited warranty on tubes. This Product has 1 year limited warranty on unit. Made in the USA.

Note: Installation and service must be performed by a licensed contractor and must conform to local codes. In absence of local codes, installation must comply with National Fuel Gas Code ANSI X223.I (also known as NFPA 54) or CGA B149 installation codes.

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Weights & Dimensions

• Min Clearance Combustibles at Horizontal Side 84, Ceiling 6, Below 106, End 48 in
• Min Clearance Combustible at 45° Angle Front 84, Rear 24 Ceiling 6, Below 60, End 48 in
• Min Mounting Height at Horizontal 16 ft
• Burner Pressure 3-1/2 in
• Width 13 in
• Duct Size 4 in
• Gas Inlet Pressure Max Water Column 14 in
• Tube Length 50 ft
• Length 52-3/4 ft
• Height 6-1/4 in
• Min Mounting Height 16 ft
• Min Mounting Height at 45° Angle 15 ft

Product Details

• Fuel Type Propane
• Voltage 120 v
• Description Standard
• BTU High 175000
• Type Negative Pressure Tube
• Amps High 2.4 A
• Brand SunStar
• Material Cast Iron Burner / Aluminum Reflectors
• Warranty 1 yr
• Ignition Type Direct Spark
• Manufacturers Part Number SIS175-50-L5
• Shape Straight