Dual-channel programmer for pumped and gravity heating systems. Manual override facility. 4, 5 or 6-Wire Installation Fits Standard UK Backplate 24 Hour Mechanical Time Control Built-In Start-Up Programme 2 On / Off Periods per Day Without Boost Facility...

4-wire installation. Override facility. Automatic BST/GMT time change. Separate heating and hot water timings. Suitable for underfloor heating. 4, 5 or 6-Wire Installation Fits Standard UK Backplate 24 Hour Programmable 1 Pre-Set Programme 3 On / Off...

A replacement for most common motorised valves. 2-Wire Installation Easy to Fit Connections

Electronic sensing element. 3-wire installation. 10 to 30°C Temperature Range Suitable for All Boilers 3-Wire Installation Mains-Powered Without Display Double-Insulated Without Frost Protection Fits Standard UK Backplate Energy Saving Trust Approved

2 or 3-wire installation. 10 to 30°C Temperature Range Suitable for All Boilers 2 or 3-Wire Installation Mains-Powered Without Display Double-Insulated Without Frost Protection Fits Custom Backplate

One-channel, easy to install thermostat kit features OpenTherm technology, weather compensation and manual override. Add Wiser radiator thermostats to create up to 16 heating zones. Control on the move via a simple app. Works with IFTTT. Supplied with...

Bi-metallic sensor. Surface-mounted. Positive on / off setting. 50 to 80°C Set Point Suitable for All Systems 3-Wire Installation Double-Insulated Bi-Metallic Sensor Surface-Mounted Fixing Strap Included

Electronic sensing element. Wireless. Override facility. 5-30°C Temperature Range Suitable for All Boilers Battery-Powered Thermostat Battery-Powered Receiver Digital Display Frost Protection

3-channel smart thermostat kit suitable for system boilers with two heating zones, easy to install on standard wallplate. Features OpenTherm technology and manual override. Add Wiser radiator thermostats to create up to 16 heating zones. Geofencing via...

Volt-free heating/cooling changeover switch with call for heat LED indicator. Ideal for surface or conduit box mounting. 10 to 30°C Temperature Range Suitable for All Boilers 4-Wire Installation Mains-Powered Easy to Read LED Indicators Double-Insulated...