Description
The ESi ESRTP4RFW is a practical wireless programmable room thermostat for customers who want reliable heating control without a full smart-home setup.
- 7-day, 5/2-day or 24-hour programmable schedules.
- OpenTherm communication can help compatible boilers reduce flow temperature.
- Optimum Start/Stop, Delayed Start and TPI technology.
- Upgradeable to Wi-Fi smart control with the ESi ESWIFIHUB, sold separately.
- Wall or stand mounting options.
