6 Series Smart Control
A true smart thermostat designed to provide you complete control and significantly reduce your gas use. Features OpenTherm to automatically reduce your boiler flow temperature which combines automation and optimisation features to help save gas and lower bills.


  • Opentherm communication which can save up to 15% gas when connected to an Opentherm compliant boiler
  • A true Smart thermostat which combines both automation and optimisation features to reduce gas use
  • Control one heating zone and hot water via an ESi WiFi or traditional cylinder thermostat
  • Simple and quick to install with RF connectivity reducing the need to run cables through the property
  • Control via device or Alexa from anywhere saving money by not heating an empty house
  • Holiday mode to allow control when away from home and switch on remotely to return to a warm home
  • Suitable for use with Air Source Heat Pumps to futureproof your heating system
  • Boiler plus compliant featuring delayed start technology for maximum energy savings
  • 7 day, 5/2 or 24 hour operation offering full flexibility over your heating & hot water control
  • Landlord service reminder, ideal for social housing or rental properties
  • Automatic summer/winter time change
  • 3-year warranty for complete peace of mind
  • ErP class 5 energy rating for maximum energy efficiency


Product Description

Available in white or gunmetal grey our 6 series smart room thermostat is perfect for use with combi boilers, 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.

For new build properties the 6 Series is available as ESRTP6C (non WiFi) or ESRTP6CW (WiFi) depending on builder specification.  For more detail see our support page.

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Support Information

View techinical specifications and installation instructions.

Compatible Products

A list of compatible products


Wireless programmable cylinder thermostat


Programmable cylinder thermostat

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