Rotary Heater Control Knob - 3-Position Fan Switch
High-quality rotary control knob with an integrated 3-position switch, designed for manual control of heater blowers and ventilation systems in vehicles.
The control features a rotary design with three positions, allowing you to select different fan settings as well as an OFF position. The knob is manufactured from injection-moulded ABS plastic with a soft, rubberised and textured surface for improved grip. A chrome-finished logo in the centre gives the control a classic and stylish appearance.
The switch is designed for fans and blower motors equipped with an integrated resistor pack. The supplied connector provides a secure and insulated electrical connection, even in environments subject to vibration.
Ideal for passenger cars, motorsport, kit cars and custom-built heating and ventilation systems.
Specifications:
Type: Rotary control knob with 3-position switch
Function: 3 positions
Application: Heater blower and ventilation fan control
Operating voltage: 12V DC up to 20A / 24V DC up to 10A
Material: Injection-moulded ABS plastic with rubberised surface
Finish: Textured surface with chrome-finished logo
Knob diameter: 25.4 mm
Knob depth: 22.9 mm
Shaft type: D-shaped
Shaft diameter: 6.35 mm
Connector: Included
Cable terminals: 1.5–2.5 mm², included
Thread size: 7/16-28
Connection information:
Position 1: OFF
Position 2: Low speed (B + H + C)
Position 3: Medium speed (B + L + C)
