ESI Wireless Programmable Room Thermostat - White

Use the menu options to set up your desired heating schedule. Select between 7-day, 5/2-day, or 24-hour operation and configure temperature settings for each period.

Navigate to the holiday mode setting in the menu, set the start and end dates, and set your desired temperature for the holiday period.

The thermostat uses standard AA alkaline batteries. Always replace batteries with new, high-quality alkaline batteries.

Yes, but only if you have the ESWIFIHUB Wi-Fi Hub, which is sold separately. This will allow you to control your thermostat via a smartphone app.

There is usually a reset button or a combination of buttons to press. Refer to the user manual for specific instructions on resetting your model.

OpenTherm is a communication protocol that allows the thermostat to modulate the boiler's flow temperature based on the heating demand, increasing energy efficiency and potentially lowering energy bills.

The user manual can be found in the product packaging or online on the manufacturer's website. Search for 'ESI ESRTP4RFW manual'.

The ESI ESRTP4RFW comes with a 3-year warranty covering manufacturing defects. Review the warranty documentation for full details and conditions.

Check the battery connections and replace the batteries if needed. Ensure the thermostat is properly wired to the heating system.

Verify the thermostat's placement. Ensure it is away from drafts, direct sunlight, and heat sources. Recalibrate if needed.

Replace the batteries. Check the display settings for brightness adjustments.

Ensure the Wi-Fi hub is connected to your home network. Check the thermostat's pairing with the hub. Consult the Wi-Fi hub's troubleshooting guide.

Check the wiring connections between the thermostat and the boiler. Ensure the boiler's power supply is on. Contact a qualified heating engineer.