ESI Programmable Room Thermometer ESRTP4+

our ESRTP4+ is one of the most reliable and value for money domestic heating controls available.

With the ability to control combi boilers, system or heat only boilers via an S or Y Plan the ESRTP4RF meets boiler plus requirements and can be wall or stand mounted.

Features

● Opentherm communication which can save up to 15% gas when connected to an Opentherm compliant boiler.
● Delayed Start & TPI 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, wall or stand mountable.
● 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 maximim energy efficiency.