Thermostatic Radiator Valve Wireless Lars 80B RX — model 80BRX

Wireless thermostatic radiator valve Lars 80B RX (model 80BRX) provides temperature regulation for central heating radiators. The device attaches to standard radiator valve bodies and controls the flow of hot water to maintain a set room temperature. Designed for residential and small commercial heating systems, the Lars 80B RX enables radiator-level regulation and integrates with wireless control systems to support timed schedules and manual adjustments without direct access to the radiator.

Advantages

The Lars 80B RX offers precise temperature control at the radiator, reducing overheating and improving comfort consistency across rooms. Wireless connectivity permits remote adjustments and integration with home automation or building management systems. Compact design and compatibility with common valve fittings simplify installation and replacement of manual radiator valves. Battery-powered operation ensures continued function during brief power interruptions and allows flexible placement without wiring.

Suitable for

• Individual room temperature control in apartments and houses
• Upgrading manual radiator valves to wireless control
• Small offices and retail premises seeking zone-based heating management
• Retrofitting older heating systems where wiring is impractical

Key specifications

• Function: Thermostatic control of radiator flow
• Mounting: Fits standard radiator valve bodies and common adapters
• Control: Wireless communication for remote setpoint changes and scheduling
• Power supply: Battery-operated for installation without mains wiring
• Adjustment: Manual override available for local control
• Materials: Durable housing suitable for indoor heating environments

How to use

Install the Lars 80B RX by removing the existing manual thermostat head and fitting the device onto the radiator valve body using the supplied adapter if required. Insert batteries following the polarity markings and pair the unit with the compatible wireless controller or gateway according to the system instructions. Set the desired temperature via the wireless controller, mobile app, or directly using the valve's manual override. Regularly check battery status and perform pairing or reset procedures only as described in the product manual.

Usage recommendations

For optimal performance, place a heat source and thermostat head away from direct drafts, direct sunlight, and heat-emitting appliances. Use wireless scheduling to lower temperatures during unoccupied periods and raise them before occupancy to balance comfort and energy use. Replace batteries as indicated by the device notifications to maintain uninterrupted control.