Hot Water pipe size Systems Quiz phase 2 1.3

What is the recommended size for a vent pipe?

• 32mm

• 15mm

• 22mm

• 28mm

What size of cold water supply is generally recommended for unvented hot water systems?

• 25mm

• 22mm

• 18mm

• 15mm

Baths are usually connected with which pipe size?

• 15mm

• 18mm

• 22mm

• 25mm

What four points does the pipe size for a hot water system depend on?

• d. The distance from the heat source/hot water storage point to the outlets

• c. How many hot water outlets there are on the system

• b. The size of the property

• a. The type of system installed

What material is commonly used for hot water systems in domestic properties?

• Aluminum tubes and fittings

• Plastic pressure pipe and push-fit fittings

• Stainless steel tubes and fittings

• Copper tubes and fittings

What type of system tends to have larger pipe sizes due to low pressure of hot water delivery?

• Unvented Hot Water Storage Systems

• Instantaneous Hot Water Storage Systems

• Solar Hot Water Systems

• Open vented Hot Water Storage Systems

What is the minimum recommended size for the hot water draw-off in open vented systems?

• 15mm

• 18mm

• 28mm

• 22mm

What is the recommended height of the vent above the water line in the cistern for open vented systems?

• 50mm per meter of static head plus 150mm

• 40mm per meter of static head plus 150mm

• 30mm per meter of static head plus 150mm

• 60mm per meter of static head plus 150mm