Part of the Owl Intution cloud based heating controls;Provides wireless connection between boiler, room thermostat and / or tank thermostat;Allows room thermostat to be located in the best position;One Relay Unit can be paired to up to 4 Room Sensors and 4 Tank Sensors

• Owl Intuition Relay Unit for Smart Heating Controls
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Owl Intuition Relay Unit for Smart Heating Controls2 Save Energy Ltd