Quick update from the team at ESi Controls! 👋

You might recognise the 4RF+ thermostat - it's now rebranded as the ESRTP4RFW, and we’ve made a couple of smart upgrades to make it even more installer-friendly:

New button interface - easier to use than ever
WiFi upgradable via the ESi WiFi Hub

Same trusted control and performance, now with added flexibility and connectivity.

Ideal for heating professionals looking for simple installation and future-ready smart home integration.

OpenTherm compatible
Boiler Plus compliant
Energy efficient & upgrade-ready

Let us know what you think in the comments - and don’t forget to like, subscribe, and hit the 🔔 for more product updates and installer guides!

#ESiControls #ESRTP4RFW #SmartHeating #WiFiThermostat #HeatingMadeEasy #InstallerFriendly #BoilerControls #OpenTherm