Berker 20262089 Room Temperature Controller with Changeover Switch, Polar White, Flush-Mounted

Room temperature controller with changeover contact for precise regulation of heating or cooling systems in residential and commercial spaces. The flush-mounted design integrates seamlessly into standard wall boxes, while the rotary dial allows easy temperature selection from +5 to +30 °C.

Advantages

The changeover contact (SPDT) enables wiring for either heating or cooling, making this controller versatile for year-round comfort. A built-in LED indicates active heating, and the frost protection function safeguards pipes during cold spells. The polar white, matt thermoplastic surface blends with modern interiors and is compatible with Berker series S.1, B.3, B.7, B.X, K.1, K.5, Q.1, and Q.3.

Suitable for

• Living areas, bedrooms, and offices
• Heating systems with electric or water-based actuators
• Cooling systems such as fan coils or chilled ceilings
• Retrofit in standard flush-mounted boxes

Key specifications

• Product type: Room temperature controller
• Contact type: Changeover contact (SPDT)
• Switching current: 10 A ohmic / 4 A inductive
• Operating voltage: 230 V AC, 50/60 Hz
• Temperature range: +5 to +30 °C
• Switching differential: approx. 0.5 K
• Mounting: flush-mounted, screw terminals
• Protection class: IP20
• Colour: polar white, matt; material: thermoplastic

Recommendations

For best results, place the controller away from direct sunlight, drafts, and heat sources. Ensure proper wiring according to the desired heating or cooling function. Compatible with standard flush-mounted boxes and Berker switch ranges.