Description
Product Summary
Overview: SunStar SPU Series model SPU200-60-TG-N7 is an infrared radiant tube heater built for suspended (overhead) mounting in commercial and industrial spaces. This configuration uses a U-tube layout with a 60 ft emitter tube length to concentrate radiant coverage in defined zones. Input rating is 200,000 Btu/hr input, and the control configuration is two-stage high/low input (200,000 / 125,000 Btu/hr) based on the model suffix. Fuel configuration is Natural Gas where designated by the model suffix. Key construction elements include 4 in O.D. radiant tubes, individual reflectors, and a push-through (positive pressure) combustion design.
Performance: Radiant heat delivery warms people, floors, and equipment first to support comfort at working level. The push-through system drives combustion through the tube system to deliver consistent radiant output along the heated run. Individual aluminum reflectors can be rotated up to 45° to direct heat toward targeted areas. The SPU Series can be applied for complete building heat or spot heating depending on layout and coverage. Two-stage models provide high and low firing capability when selected to better match changing heat loads.
Smart Features: Thermostat-driven control is used for temperature regulation based on the selected control configuration. Line voltage and 24V thermostat interfaces are available depending on the control package. Diagnostic indicator lights provide operating status visibility for service and troubleshooting. Factory-defined operating sequences include pre-purge and post-purge functions to support reliable ignition and shutdown. Connectivity, app control, and zoning features are not specified in the provided manufacturer documents for this series.
Comfort & Noise: Radiant heating reduces reliance on high air temperatures, helping limit stratification in higher ceiling spaces. Adjustable reflectors support comfort by directing radiant energy to occupied zones instead of unused areas. An enclosed blower motor located in the burner box supports controlled air movement through the combustion system. Step-opening gas valve operation supports quiet ignition and stable burner starts. For facilities with frequent air exchange from doors or ventilation, radiant heat supports steady comfort at floor level.
Use Case Fit: The SPU Series is commonly applied in warehouses, manufacturing plants, loading docks, service bays, aircraft hangars, and similar hard-to-heat spaces. U-tube configurations support spot heating where localized comfort is needed. Venting can be configured for sidewall or roof termination based on the project layout. Outside combustion air can be used in higher humidity or contaminated environments where specified. Model selection should align Btu size, tube length, and control type with the intended coverage area.
Value & Reliability: A heavy duty cast iron burner and enclosed burner box construction support durable operation in commercial applications. A step-opening redundant combination gas valve is used with direct spark ignition for reliable burner starts. A diaphragm air switch verifies venting before gas flow and ignition. Tube Integrity Safety System (TISS™) monitors for overheat and tube integrity compromise above the reflector. When the Tough Guy tube option is selected, heat treated aluminized steel radiant tubes are specified for high humidity or corrosive environments.
Summary Wrap-Up: SunStar SPU infrared tube heaters pair radiant heat delivery with multiple Btu sizes, tube lengths, and control configurations for job-specific selection. The push-through positive pressure design keeps combustion contained within the burner box and tube system. Adjustable reflectors help focus heat where it is needed, supporting efficient comfort in occupied zones. Single-stage and two-stage control options allow buyers to align operation with the space and load profile. Select the fuel designation, tube package, and options to match the application environment and heating layout.
Key Features
- Push-Through Positive Pressure Design: Enclosed combustion system pushes products of combustion through the tube system for controlled operation.
- Infrared Radiant Heat Delivery: Transfers radiant energy to floors, people, and equipment to build comfort at the working level.
- Single or Two Stage Controls: Model suffix defines single-stage input or two-stage high/low firing operation for load matching.
- Direct Spark Ignition System: Uses direct spark ignition with a step-opening redundant combination gas valve for reliable starts.
- Adjustable Reflector Direction: Aluminum reflectors rotate up to 45° to direct heat toward target zones.
- Tube Integrity Safety System (TISS™): Low-voltage monitoring system checks for overheat and tube integrity compromise above the reflector.
- Tough Guy Tube Option: Heat treated aluminized steel radiant tubes are specified for high humidity or corrosive environments when selected.