Indirect, unvented hot water storage cylinder with reinforced metal base. Integral stainless steel stat pockets. 1" female cold-feed and hot draw-off supplied with 22mm reducers. Simple and straightforward installation. Versatile and ideal for large domestic...

Reusable kit that helps feed treatment chemicals directly into central heating systems. For 500ml and 1Ltr bottles and 310ml concentrate tubes from all major brands including Fernox, Sentinel, Flomasta and No Nonsense. Bottles can be filled through ½"...

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...

Features a service interrupter to alert householders when the boiler service is due. Warning period starts 30 days before the boiler is due to be serviced. During this time the backlit display flashes and displays the service date. All buttons/programming...

Designed to reduce boiler noise and kettling. Ideal for use with all types of boilers and is compatible with all metals and materials commonly used in systems, including aluminium. Suitable for Central Heating Systems Quick & Convenient Reduces Boiler...

22mm compression connection. 5-wire installation. 100% tight shut-off Spring-Return Action Uni-Directional Valve Body 4, 5 or 6-Wire Installation 2 to 93°C Flow Temperature Manual Override Facility Cable Length: 1m Manual Lever for Filling & Draining...

Single-Speed Noise Level 31dBA at 3m Wall-Mounted Ducting Not Included Auto-Shutter No Overrun Function Extraction Rate 107m³/hr

Gas system boiler with detailed text display and an intuitive menu structure for rapid diagnosis, fault-finding and commissioning. Supplied with aluminium silicon heat exchanger. Black finish. Max. Central Heating Output: 30kW Aluminium Silicon Heat Exchanger...

Pre-plugged secondary tapping for ease of installation. Designed specifically for use with solar thermal systems. Smooth tube coil construction for durability and performance. Bevelled stat pocket for better fitting. Duplex Stainless Steel Tank 1 Year...

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 5mm Free Air Space: 6800mm² Stainless Steel Construction Insect Screen Not Supplied Designed to Fully Cover A Double...