The manufacturers sole obligation under this warranty shall be limited to furnishing the original purchaser replacement parts for units deemed repairable by the suppliers warranty department . To unlock the control panel or remote (if provided), repeat this procedure . Questions, problems, missing parts? Q. I do not have a grounded outlet. The Sterling HVAC Standard: Unit Heaters vs Infrared Units - Picking the right type of heating for your building! Why?A. The Sterling HVAC Standard: Category I vs Category III Venting - Picking the right vent type for your building! My cord is showing signs of heat or melting at the outlet. Manage Settings If this occurs, try inserting the plug into a different outlet . After cleaning, dry the unit with a soft cloth. The below chart provides BTU translations for different wattages . 30034 Sterling HVAC Products Parts Catalog Gas Fired Unit Heaters, Indoor Products GG GGPC-4, High Efficiency Gas-Fired Propeller Unit Heater Installation, Operation and Maintenance Manual, High Efficiency Gas-Fired Propeller Unit Heater Installation, Operation and Maintenance Manual HEUH condensing J30-09590 40639 Sterling HVAC Products Installation & Operation Manual Gas Fired Unit Heaters, Indoor Products HU, Nexus Unit Heater NXIM-6, High Intensity Gas-Fired Infrared Unit Heater Gas Conversion Instructions, High Intensity Gas-Fired Infrared Unit Heater Gas Conversion Instructions 41037 Sterling HVAC Products Installation & Operation Manual Indoor Products, Infrared Heaters RSD 43133080, High Intensity Infrared Heater Installation and Operation Manual, High Intensity Infrared Heater Installation and Operation Manual ceramic 38243 Sterling HVAC Products Installation & Operation Manual Indoor Products, Infrared Heaters 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& MUA AH, PV, RT RBM-11, Installation & Operation Manual for SC Separated Combustion Tubular Blower Unit Heater, Installation & Operation Manual for SC Separated Combustion Tubular Blower Unit Heater J30-09053 36178 Sterling HVAC Products Installation & Operation Manual Gas Fired Unit Heaters, Indoor Products SC STBII-5, Installation & Operation Manual for SF Separated Combustion Tubular Propeller Unit Heater, Installation & Operation Manual for SF Separated Combustion Tubular Propeller Unit Heater J30-09054 36179 Sterling HVAC Products Installation & Operation Manual Gas Fired Unit Heaters, Indoor Products SF STPIM-4, Installation & Operation Manual for TC Tubular Blower Unit Heater, Installation & Operation Manual for TC Tubular Blower Unit Heater J30-08867 35820 Sterling HVAC Products Installation & Operation Manual Gas Fired Unit Heaters, Indoor Products TC TBII-6, Installation & Operation Manual Tubular Propeller Units with Direct Spark (TF 100-400, GF 150, 250, 400), Installation 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