As new condition but used for a few months Wireless Digital Thermostat + Receiver Unit to control your Boiler temperature & operation remotely . Electronic sensing element. Wireless. Override facility. EN 60730. Innovation! - Faster - Save Time On Wiring. Digital Display Wireless Frost Protection Easy to Read Battery Powered, Volt Free (24-250v), Temp. range: 5°-30°C, 20m straight line transmitter.
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