Call now on +44 (0)1698 812 944
SunStat Si

SunStat Si

Energy Saving Energy Saving

The SunStat Si has all the functionality of the very popular SunStat with the addition of installer selectable Service Interval and user activated Delayed Start functions.

The unit is a hard wired, battery powered, easy to programme and simple to use programmable room thermostat. The 4 daily, independent time and temperature pairs together with TPI controls electronics enables the user to experience a comfortable environment and maximise energy savings. Batteries are provided with the unit. 

Product Code: 2227002

*The efficiency score of the thermostat is added to the efficiency score of the boiler to give an overall package efficiency score.

ErP Information
Class    iv 
 Efficiency score*     2% 


Find a Stockist Enquire Now
  • Features & Benefits

Service Interval - helps landlords comply with gas regulation

Delayed Start - saves the householder energy

Easy to programme   - fewer installer call-backs

Large clear display   - ideal for visually impaired

Intuitive screen icons   - easy for users to understand

Unique thumbwheel interface - enables fast programming

4 daily time & temperature pairs   - simple to use copy function

Automatic summer time adjust - reduces installer call-outs

TPI control electronics   - saves up to 10% of energy costs

Screen lock facility   - protects against unauthorised changes

Frost protection facility   - protects building

Volt free switching   - ideal for combination boilers

Related Media

Related Products

Contact us for any of your heating needs.

We're waiting to help on +44 (0)1698 812 944

We're waiting to help on +44 (0)1698 812 944