Appliance:

Machine or device powered by electricity. Or a functional piece of equipment fitted in a plumbing system, such as a hand basin or bath.

Balanced Flue:

A ducting system that allows a heating appliance, such as a boiler, to draw fresh air from the discharge gases to the outside of a building.

Air Separator:

Also referred to as a de-aerator, this device is sometimes found in a fully pumped central heating system to maintain the neutral point, where the cold feed and vent pipes join the system.

Bleed valve:

Small screw situated at one of the top corners of a radiator. Turning the screw allows trapped air to escape, so that the radiator can fill with hot water and reach optimum temperature. Potterton Boiler Repair London can work on radiators.

Cistern:

Container for cold water, which is drawn off as needed, typically fitted to the WC. Potterton Boiler Repairs London can fit WC cisterns.

Hard Water:

Water that contains a large percentage of dissolved minerals, which are deposited as lime scale inside kettle, hot water cylinders and heating systems.

Combi-Boiler:

A design of boiler (combination) that is used for the central heating and as a unit to instantaneously heat water going to hot water outlets. It does away with the need to have a hot water storage cylinder.

Compression Joints:

Fittings used to join pipes together. They incorporate a compression ring that is clamped onto the pipe and forced up hard against the body of a fitting.

Earth Bonding:

A system where specific metal pipework is connected either together or to the main earth terminal in order to combat the potential of an electric shock arising from a faulty electrical installation.