ESi ESRTP4RFW Wireless Programmable Room Thermostat with RF Receiver TRV4 allowing the installer to balance

allowing the installer to balance temperature rise against available mains flow on site

This means stored hot water stays at temperature throughout the day

Does it work with unvented cylinders or combi boilers

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Net Weight

ESi ESRTP4RFW Wireless Programmable Room Thermostat with RF Receiver TRV4 allowing the installer to balanceThe ESi ESRTP4RFW is a wireless RF programmable room thermostat that combines time and temperature control in a single battery powered unit, paired with a mains wired RF receiver. Its large backlit LCD screen and simple button layout make programming straightforward, while energy saving features such as Chronoproportional Control (TPI), Optimum Start, and Optimum Stop help reduce fuel costs and carbon emissions. Because the thermostat and receiver