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.
● 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
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