Your thermostat should now be connected to your WiFi and the symbol on your thermostat should be constantly on. And if I use the 2 existing wires to ports NC and NO should work and fires the boiler just like the old one, but it don't. It works 100% reliably and I'm now quite used to be able to control hot water and CH remotely from my phone. It is designed for time and temperature control of your heating and comes with 7 day, 5/2 or 24 hour programming options all in one unit with a factory-set programme which can be user modified.

In winter Morning are colder and lazy to get up and turn on heating but with this I can turn on heating using app sleeping from the bed. We deliver via courier to other areas of the UK excluding the Scottish Highlands, Northern Ireland and the Isles of Scilly. Please do not send me the standard diagram which I have in the manual as apparently I don't understand it.Key lesson for me was the connectivity back to the router and the short range requiring the (dedicated) signal booster. Good to have this our builder has provided ESRTP5 series which doesn’t have Wi-Fi feature and controlled by ESI Centro app.

When the desired temperature is reached thermostat makes a connection between the 2 wires and it fires the boiler. The ESRTP5 is easy to install and simple to use with large, easy to ready display with the added feature of WiFi control via your device.SWITCH OFF MAINS BEFORE FITTING BACK PLATE AS LIVE AND NEUTRAL CONTACTS MAY TOUCH WHILE MOUNTING RECEIVER ON PLATE AND DAMAGE THE PRODUCT. Fitting was easy enough, plug the bridge into the router, set it up via the app, remove the esi thermostat and backplate (revealing a standard back box in the wall) and wire up the tado backplate.

Collections available between 7:00am - 5:00pm weekdays, and 8:00am - 12:00pm Saturdays (excluding bank holidays). The ESRTP5WIFI is our top of the range Programmable Room Thermostat providing seamless control at home or from your mobile phone or tablet. When OFF, the LED will display only with user interaction and turn off again when there is no operation for 2 minutes.Our of electronic and mechanical cylinder thermostats are used for control and limitation of water temperature in the hot water cylinder and other applications requiring immersion thermostats.