Building Terms
Building term definitions, organised by category:
Building Terms: Plumbing Services
- Direct supply
- Water taken directly from the mains and used for drinking water, unvented hot-water systems, etc. It is not diverted via a cistern.
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- Feed
- The supply of water to a boiler, etc.
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- Non-return valve
- A plumbing fitting inserted into a water supply pipe to prevent backflow and possible contamination.
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- Stopcock
- A valve that turns off a water or gas supply. Stopcocks for water are non-return valves.
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