Central Heating

Diy how-to on balancing the radiators on a central heating system by adjusting the flow of water through the valves to maintain even temperature.

Diy guide to bleeding radiators on a central heating system using a radiator key to remove excess air, thats causing the radiator top to be cold.

Tips and advice on the checks and adjustments you can carry out  to keep your boiler and central heating system running efficiently to save money and stay warm in winter

Central heating pumps can fail or develop faults. Check electrical connections first before following this guide showing how to remove the old pump and replace with a new circulating pump of the same size.

Diy how-to guide to heating systems (pumped and sealed) with information on the controls for the central heating and hot water.

Cleaning a central heating system to reduce corrosion and remove sludge and scale will prolong the life of boilers, pumps and valves, radiators and pipe work. Draining, refilling, adding cleaner and flushing the system before adding inhibitor will protect the system and reduce boiler breakdowns

A hot water cylinder thermostat senses the temperature of the water inside the cylinder. This guide explains step by step how to remove and replace a damaged or faulty stat with a new unit.

How to drain down a central heating system to carry out repairs or add a radiator. With details for turning off the water supply to the feed and expansion tank, emptying the radiators and refilling the system.

Guide explaining how to drain down a sealed central heating system to empty all water from the radiators and pipe work allowing maintenance and repairs to be carried out before refilling the system with water again.

Draining down a vented central heating system to empty all water from the radiators and pipe work allowing maintenance and repairs to be carried out before refilling the system with water again.

The feed and Expansion cistern enables the system to be filled and allows for expansion of the water as it heats up. The open vent or safety vent overhanging the F&E cistern deals with pressure variations which would otherwise cause problems. Correct positioning of the circulating pump and air separators are also explained

Air can get trapped in a central heating circuit either as a result of following an incorrect refilling order or because air is getting drawn in. Bleeding the radiators and the circulating pump can release the air lock