Hot Water Systems phase 2 1.3

What factors determine the pipe sizes used for hot water systems?

• The color of the pipes

• The type of system installed

• The material of the walls

• The number of windows in the property

Which of the following is NOT a factor affecting the pipe sizes for hot water systems?

• The size of the property

• The number of hot water outlets

• The distance from the heat source to the outlets

• The color of the paint in the room

Which of the following materials can be used for hot water systems in domestic properties?

• Copper tubes and fittings

• Aluminum tubes and fittings

• Glass tubes and fittings

• Rubber tubes and fittings

What type of pipe fittings are mentioned for plastic pressure pipes?

• Screw-on fittings

• Push-fit fittings

• Welded fittings

• Clamped fittings

Why do open vented systems tend to have larger pipe sizes?

• Due to high pressure of the hot water delivery

• Due to low pressure of the hot water delivery

• To reduce noise

• To increase water temperature

What is the recommended pipe size for the cold feed from the cistern to the cylinder in smaller properties?

• 28mm

• 22mm

• 15mm

• 10mm

What is the minimum size for the hot water draw-off pipe?

• 28mm

• 22mm

• 15mm

• 10mm

For larger systems, what size draw-off is required due to the number of hot water outlets?

• 28mm

• 22mm

• 15mm

• 10mm

What is the minimum pipe size that should be taken to the bath?

• 28mm

• 22mm

• 15mm

• 10mm

What is the required diameter of the vent pipe?

• 22mm

• 15mm

• 30mm

• 10mm