Shelly BLU TRV Indoor Thermostat White Rotary Control -20 to 60°C

Shelly BLU TRV Indoor Thermostat White Rotary Control provides precise room temperature regulation for radiators. The smart thermostatic radiator valve head connects via Bluetooth and adjusts heating by changing the hot-water flow through the radiator. Temperature can be changed manually using the rotary knob or remotely via mobile phone, tablet, or PC. The compact unit measures 5.4 cm in diameter and 78 mm in height, operates from 2 x AA 1.5 V batteries and is suitable for multi-room installations (available in a pack of four).

Advantages

The Shelly BLU TRV offers accurate temperature control from -20 to 60°C, a simple rotary control for immediate manual adjustments, Bluetooth connectivity for remote operation, and support for weekly scheduling to maintain set temperatures automatically. Its compact design and light weight make it easy to fit into most interiors without protruding significantly.

Suitable for

• Temperature control of individual radiators in homes and apartments
• Room-by-room climate management in offices and small commercial spaces
• Retrofitting existing radiator systems without replacing valves
• Multi-room installations (pack of four units)

Key specifications

• Operating temperature range: -20 to 60°C
• Power supply: 2 x AA, 1.5 V batteries
• Dimensions: Ø 5.4 cm, height 78 mm
• Weight: 107 g
• Connectivity: Bluetooth
• Control: Rotary knob and app/PC control, weekly schedule support
• Package: 4 units per pack
• Brand/Model: Shelly BLU TRV (MPN: Shelly_B_TRV_3, EAN: 3800235268339)

How to use

Install the thermostatic head on the radiator valve according to the valve adapter compatibility and secure it mechanically. Insert 2 x AA 1.5 V batteries, set the local Bluetooth connection using the Shelly mobile app or pair via PC, then configure desired temperatures and weekly schedules. Manual temperature changes are made by turning the rotary knob left or right; remote changes are available through the app or connected device.

Recommendations

For reliable operation, check battery level regularly and replace both AA batteries when low. Ensure the radiator valve adapter is compatible before installation and follow the manufacturer’s mounting instructions. Use weekly scheduling to optimise energy use and maintain steady room temperatures.