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Valves & stopcocks
Valves and stopcocks are used to control the flow in gas pipelines, mains water and central heating systems. Stopcocks allow a property to be isolated from the mains supply, whereas valves can be found at multiple points within the system – for example where a water supply meets toilets and appliances. Ball valves or gate valves are commonly used where the pipeline meets sanitaryware, as they make it easy to isolate bathroom fittings when repairs or replacements are required. This means water doesn’t need to be shut off to the whole house, nor the whole system drained.
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