ESI 4 series wireless programmable room thermostat
•Easy to install wireless control removing the need for additional wiring
•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 maximum energy efficiency
Our ESRTP4RF+ is a wireless programmable room thermostat which is simple to install & easy to use. The control features OpenTherm which automatically reduces the flow temperature of your boiler helping you save up to 15% on your gas use significantly lowering bills
