Monthly Archives: October 2015

Part 1 ball valve

A Part 1 ball valve or Portsmouth ball valve is a ball valve made to British Standard specification 1212, Part 1. It consists of a piston inside a brass housing, with a float arm secured to the valve via a split pin. Inside … Continue reading

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Overflow

An overflow is an important part of a cistern, and serves two purposes in the event of a fault: to take away excess water in order to prevent structural damage to a property, and to indicate to the homeowner that there is … Continue reading

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Ball valve

A ball valve or float valve, or less commonly, a ballcock, is a valve which controls the flow of water into a cistern via a plastic or metal float on the surface of the water. When water is drawn out of the cistern, the … Continue reading

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Ball valve repair kit

A ball valve repair kit is a repair kit which contains multiple types of spare parts for ball valves. A kit will typically include split pins, high and low pressure valve seatings, washers for Part 1 ball valves, and diaphragms for … Continue reading

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Essex flange

An Essex flange is a fitting on a hot water cylinder which prevents a device, such as a shower pump, from being damaged by air. It does this by drawing off water from the side of the cylinder. When water in the … Continue reading

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