Unvented Recap 31/01/24

What is the primary advantage of installing an unvented cylinder?

• Lower initial cost

• increased hot water pressure

• minimal maintenance required

• greater energy efficiency

Which of the following components is essential for the proper functioning of an unvented cylinder system?

• CWSC

• Expansion Vessel

• Vent pipe

What is the purpose of the temperature and pressure relief valve in an unvented cylinder system?

• Regulate flow rate

• control system pressure

• prevent overheating and excess pressure

• increase energy efficiency

what is the purpose of a pressure reducing valve in an unvented system?

• increase water pressure

• decrease water temperature

• regulate system pressure

• improve energy efficiency

What type of water supply is most suitable for unvented cylinder installations

• Gravity fed

• Mains Pressure

• Pump assisted

• Well Water

what is the primary factor affecting the size (capacity) of an unvented cylinder required for a specific installation

• number of electrical sockets

• roof material

• number of bedrooms in house

• hot water demand

What is the purpose of a check valve in the context of an unvented cylinder installation?

• to regulate water flow

• prevent backflow of warm water

• control system pressure

• increase energy efficiency

What safety feature is typically integrated into the design of an unvented cylinder to protect against excessive pressure and temperature?

• expansion vessel

• pressure reducing valve

• temperature and pressure relief valves

• check valve

Which approved document covers Hot water?

• A

• F

• G

• L

Which approved document covers conservation of Fuel and Power

• P

• H

• L

• G