The ESi Programmable Room Thermostat ESRTP4+ is a simple to install 7 day, 5/2 day or 24 hour wired programmable room thermostat. It can be used to control a central heating circuit in a central heating system and is also well suited for controlling combi boiler installations or when adding additional zones to a heating system.

The battery powered unit can provide up to 6 on/off periods per day and has many energy saving features including TPI technology and optimum start and delayed stop functions. Time and date are factory set reducing installation set up times and the unit is simple to function with its large backlit LCD screen. 
 
Boiler Plus Compliant
Large, Easy to Read LCD with Back Light
Optimum Stop, Delayed & Optimum Start/TPI Technology
7 day, 5/2 Day or 24 Hour Programming Options
4 or 6 Time & Temperature events
Automatic BST/GMT 1 Hour Time Change
Factory Set Clock & Date
Pre-Set Built in Programme with Overrides
Optional Landlord Service Safety Feature
Holiday Mode
3 Year Warranty