WIRELESS PROGRAMMABLE THERMOSTAT & RECEIVER KIT - Complete heating control system supplied with wireless thermostat and receiver for flexible installation without wiring between units IDEAL UPGRADE FROM WIRED OR OLDER THERMOSTATS - Position the thermostat in the best location for improved comfort and more accurate room temperature control FLEXIBLE 5/2 OR 7 DAY HEATING SCHEDULING - Programme heating around weekday and weekend routines to help reduce unnecessary energy use BOILER PLUS COMPLIANT HEATING CONTROL SYSTEM - Designed to support improved heating efficiency when installed and configured correctly COMPATIBLE WITH MOST GAS AND OIL BOILERS - Supports volt-free and 230V switching for compatibility with a wide range of heating systems