ESi ESRTP4 Wired programmable room thermostat

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The ESRTP4+ is an easy to install-and-use 7 day, 5/2 or 24hr programmable room thermostat which offers up to six time and temperature changes each day with different programmes for weekdays and weekends. The ESRTP4+ has all the energy savings features such as TPI, Delayed Start and Optimum Stop and the all-important Landlord Service Interval.


Battery powered for ease of installation, the ESRTP4 has a large, easy-to-read blue backlit LCD display. It is easy to programme and operate because of the built-in programme options that the user can easily change to suit individual heating requirements. It incorporates a real time clock and calendar function which automatically changes between BST/GMT time changes. Time and date are factory-set making time setting or adjustment unnecessary.

Boiler Plus compliant

Load Compensation via OpenTherm

Large, easy to read LCD with back light

Optimum stop, delayed & optimum start

7 day, 5/2 day or 24 hour programming options

Select either 4 or 6 time & temperature events

Holiday mode

Easy to use overrides

TPI technology

Automatic BST/GMT 1 hour time change

Factory set clock and date

Pre-set built in programme

Includes optional landlord service safety feature

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  • Includes optional landlord service safety feature

Bulk Buy Discounts

3 +£18.49