The ESI Wireless Electronic Room Thermostat with LCD Display (ESRTERFW) is a programmable thermostat with a 7-day schedule, designed for use with Honeywell brand central heating radiators. It features a square-shaped design, wall-mounted installation, and operates on AA batteries. The thermostat offers control style options such as dial, rotary knob, and digital display, with the ability to switch between heating systems automatically. The ESI ESRTERFW model is a reliable and convenient choice for maintaining optimal home heating temperatures.
eBay