Includes ECO button with countdown display for energy saving mode. 5 to 35°C Temperature Range Suitable for All Boilers 2 or 3-Wire Installation Mains or Battery-Powered Digital Display Double-Insulated Frost Protection Setting Fits Standard UK Backplate

Provides automatic temperature control of domestic wet central heating systems. Used either as a direct switch for circulating pumps and boilers or to operate spring return and motor open/motor close zone valves. Features dual-diaphragm temperature sensing...

Dual-diaphragm sensing element. Building Regulations compliant. 10 to 30°C Temperature Range Suitable for All Boilers 3-Wire Installation Mains-Powered Analogue Dial Display Insulated Without Frost Protection Fits Standard UK Backplate Heat Anticipator...