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Plumbing Principles

Exam revision materials for Plumbing Level 2&3 and ACS Gas Safety test

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Appliances

Taps

Bib Tap

Bib tap

Rising spindle. When the spindle is turned it engages on the threads in the head allowing the gradual opening or closing of the jumper. The jumper valve is in the shape of a rod and plate, and the washer is attached to the base of the plate

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Hose Union Bib Tap

hose union bib tap
With integral double check valves. This tabs should only be used in existing buildings or replace those having no back flow protection

  • Protecting outside water supplies from frost damage

Frost protection

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Pillar Tap

Pillar Tap
Non-rising spindle. Designed for fitting directly into the sanitary appliances and secured to it by a back nut. The jumper valve and washer are the same as traditional rising spindle tap, but the spindle is sealed by an O-ring nut rather than a gland nut.

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Ceramic Disc Tap

Ceramic Disc Tap
When the tap is in off position no water can pass. By rotating the levee through 90° the holes in the discs line up allowing water to flow to the tap outlet.

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Automatic Electric Tap

Automatic Electric Tap
All electrical components must be accessible in a moisture-free environment. Special arrangements must be made to ensure safety with mains electricity!

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