Polytank feed and expansion tank (4 gallon/18 litre)

The Polytank feed and expansion tank is a feed and expansion tank produced by Polytank Group Ltd, the British manufacturer of water tanks and cisterns. As the name implies, the tank is designed to be used as a feed and expansion tank for open-vented central heating systems. It is suitable for new properties or as a … Read more

Surestop stopcock

A Surestop stopcock is a stopcock produced by Surestop Ltd, a UK company which specialises in making easy to use stopcocks that are designed to prevent water damage to properties. Unlike traditional brass-handle stopcocks which may leak or jam, Surestop stopcocks are operated via a simple rocker switch, similar to a light switch. Not only … Read more

Why is there hot water coming from the cold taps?

Hot water coming from the cold taps is usually due to an immersion heater thermostat failing in the ‘on’ position. Hot water from the hot water cylinder eventually fills the cold water cistern in the loft, which supplies the bathroom cold taps. This is a potentially dangerous fault which can increase the risk of scalds … Read more

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