Our 6 series ESi Stratus smart room thermostat is perfect for use with combi boilers and heat pumps as well as system & heat only boilers and can control both heating and hot water from your device or via Alexa for added convenience and energy savings.
Equipped with OpenTherm communication to regulate your boiler flow temperature correctly, the 6 series is your choice to help save energy and reduce costs.
The ESi Stratus can be powered using the 4 x AA batteries supplied or by using the USB-C cable supplied.
