6035HWPPT4PT2

What purpose does the fullway gate valve on the cold feed pipe serve when closed?

• Increases water flow

• Reduces pressure

• Diverts water to a different system

• Stops flow to the hot water system for maintenance

What is the minimum recommended length of the initial part of the hot distribution pipe leading to the vent pipe connection when a hot water outlet is opened?

• 250mm

• 350mm

• 450mm

• 550mm

Why is the 450mm length of the hot distribution pipe important when a hot water outlet is opened?

• To increase water flow

• To decrease heat loss through one pipe circulation

• To prevent pipe corrosion

• To reduce pressure

What is the purpose of the slight rise in the initial part of the hot distribution pipe towards the open vent when a hot water outlet is opened?

• Increases air lock formation

• Enhances water pressure

• Facilitates heat transfer

• Allows air to migrate towards the open vent and prevents air lock

What is the primary role of the cold feed pipe in a hot water system when it comes to the expansion of hot water due to heating?

• To increase water pressure

• To cool down the hot water

• To take up the expansion of hot water

• To prevent heat transfer

What is the minimum recommended size for the open vent pipe in a hot water system?

• 15mm

• 18mm

• 22mm

• 25mm

Where must the open vent pipe terminate in a hot water system?

• Over the hot water cylinder

• Over the hot water outlet

• Inside the hot water cylinder

• Over the cold water storage cistern

What is the primary function of the open vent pipe in a hot water system?

• Safety

• Facilitating air circulation

• Preventing system overheating

• Enhancing water flow

Why should the open vent pipe not have any valves connected to it in a hot water system?

• To decrease water flow

• To prevent air circulation

• To avoid system over pressurising

• To enhance water pressure

What does part L compliance for hot water cylinders entail?

• Rapid heating within 10 minutes

• Heating up within 25 minutes

• Slow heating over 1 hour

• No specific heating time requirement