Part of our Series 8 range of programmable room thermostats, the ESi CIRRUS is fully loaded with a host of energy saving functions, including OpenTherm.

● OpenTherm communication which can save up to 15% gas when connected to an OpenTherm compliant boiler
● Optimum and Delayed Start with Optimum Stop Technology for maximum energy savings
● 7 day, 5/2 or 24 hour operation offering full flexibility over your heating control
● Landlord service reminder, ideal for social housing or rental properties
● Automatic summer/winter time change
● Easy to use
● Holiday Mode to allow control when you’re away saving energy
● 3-year warranty for complete peace of mind
● ErP class 5 energy rating for maximum energy efficiency
● Upgrade to Smart by adding ESWIFIHUB (sold separately)
Part of our Series 8 range of programmable room thermostats, the ESi CIRRUS is fully loaded with a host of energy saving functions, including OpenTherm.
View techinical specifications and installation instructions.
Unit 21, Angelvale, Top Angel
Buckingham Industrial Park,
Buckingham, MK18 1TH
Tel: 01280 816868
Fax: 01280 816691
Email: sales@esicontrols.co.uk
© ESi Controls Limited – All Rights Reserved | ESi Controls are part of The Addtech Group