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Open-Loop Spot Heaters
Series heaters are versatile, compact electric air heaters designed for spot heating applications. They feature Serpentine™ heating elements housed in either a Quartz open-end (Style A) or nozzle design (Style B), making them adaptable for various uses. Typically powered by open-loop (manual) controllers, these heaters are simple yet effective. The air inlet includes a durable high-temperature silicone rubber adapter, equipped with male spade power connectors and a grounding bracket for secure installation. Mounting is straightforward, whether integrating into existing equipment or new setups. Air is usually supplied through compressed lines, ensuring efficient and reliable performance.
Open-Loop (Manual) Control
This simple method of control uses a manually operated power controller to apply a fixed voltage to the heating element. Using this system, the operator manually adjusts the controller to change heater temperature. If the airflow is suddenly interrupted, the element could fail. This is a common and inexpensive controller and often used with simple single phase standard catalog products.


Series I Heaters
Series I has a smaller diameter and longer tube length. It can achieve a maximum temperature of 1400ºF (760ºC)

Series II Heaters
Series II has the same diameter as Series I, but with a smaller tube length and nominal line voltages. It can achieve a maximum temperature of 1400ºF (760ºC).

Series III Heaters
Series III heters have a large diameter and can reach a maximum temperature of 1600ºF (871ºC)