Smooth tube coil construction for durability and performance. Large surface area coil, specifically designed for use with air-source or ground-source heat pumps. Bevelled stat pocket for better fitting. Duplex Stainless Steel Tank 1 Year Guarantee Low...

Easy to install 2-channel smart thermostat kit features OpenTherm technology 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 standard backplate...

Compatible with all mortar or dry fixed ridge systems and all interlocking, metric-sized roof tiles. Designed to overcome the problems of traditional mortar bedding, such as cracking and long term maintenance. For use with Glidevale Dry Verge Units (Code...

Honeywell replacement motor for the V4043 series 3-port motorised valve. Can be replaced without draining down. Spring-Return Action 5-Wire Installation Manual Override Facility No Need to Drain Down 2-Wire Connection Polarity-Free Insulated Screw

Features large, easy-to-read screen and uses clear icons and intuitive setup menus. Ideal for almost all domestic heating control applications. 4 comfort buttons allow for temporary change of the programmed schedule at short notice. Familiar wiring ensures...

Bi-metallic sensor. Surface-mounted. Control for boilers and wet central heating. 40 to 80°C Set Point Suitable for Uninsulated & Foam-Lagged Cylinders 2 or 3-Wire Installation Double-Insulated Bi-Metallic Sensor Surface-Mounted Fixing Strap Included

RM 1050 x 450 Indirect Copper Cylinder. Grade 3 with maximum working head of 10m. 25mm standard insulation and large heating coil. Complies with Part L Building Regulations. Copper Construction 2 Year Manufacturer's Guarantee (T&Cs Apply) Complies with...

Highly specified multifoil comprising of 37 layers. Provides a 3-in-1 insulation solution with a radiant barrier and a vapour control layer. Quick and easy to install. Suitable for use in roofs, walls and floors in new builds and retrofit. Just roll out...

Individual outlets for domestic systems or showers. DZR Brass Construction 3/4" BSP Male Connection Suitable for Power & Mixer Showers Booster Pumps & Thermostatic Mixers

Suitable for fresh air ventilation and warm air systems. Suitable for Use with Gas Appliances Surface-Mounted W x H x D: 260 x 165 x 7mm Free Air Space: 6800mm² Aluminium Construction Insect Screen Not Supplied Designed to Fully Cover A Double Brick...