The CentaurPlus ZW pack combines the Z wave wireless, electronic HRT4-ZW room thermostat with TPI energy saving software and the CentaurPlus C17-ZW electronic timeswitch with built-in receiver, ideal for system controls upgrade or combi boiler installations. Avoids disruptive and time consuming wiring.

The C17-ZW timeswitch features an enhanced back lit liquid crystal display, 3 operating periods per day (separate programmes possible for each day of the week), automatic GMT/BST time change, boost and advance over-rides, volt free changeover contacts with 3 (1) Amps switching capacity and a 6 terminal plug in wall plate.

The HRT4-ZW battery operated room thermostat features a large digital, back lit, set temperature liquid crystal display with actual temperature at the touch of the conventional temperature adjustment control knob and 5 to 30°C temperature setting range.