Hot Water Systems 1.2 Quiz

What is an advantage of the open vented direct hot water storage system?

• Requires more structural support

• Can be used with central heating systems

• Less risk of water hammer and reverberation noise

• Greater risk of frost damage of pipework and cisterns in the roof space

What is a disadvantage of the unvented hot water storage system?

• Smaller hot water pipework sizes can be used in some instances

• Requires regular maintenance

• High pressure and flow rate of hot water at all outlets

• Good hot water temperature control

What is an advantage of the thermal store hot water system?

• Ideal for flats and apartments with no roof space

• Requires regular maintenance

• Smaller hot water pipework sizes can be used in some instances

• High pressure and flow rate of hot water at all outlets

What is a disadvantage of the multipoint water heaters?

• Smaller hot water pipework sizes can be used in some instances

• Requires regular maintenance

• Shower valves may be supplied with equal pressures and flow rates

• No central heating facility

What is an advantage of the combination boilers?

• Higher maintenance cost
• Increased energy consumption
• Takes up more space
• Space and energy saving

What is an advantage of the storage type single point water heaters?

• Instant hot water at the point of use
• Limited hot water supply
• Slow heating process
• Constantly fluctuating water temperature

What is a disadvantage of the open vented indirect hot water storage system?

• Pipework can be sized to give very good flow rates despite the lack of pressure

• Low pressure system is quiet in operation

• Greater risk of frost damage of pipework and cisterns in the roof space

• Shower valves on low pressure supplies may be supplied with equal pressures and flow rates

What is an advantage of the unvented hot water storage system?

• Requires regular maintenance

• Smaller hot water pipework sizes can be used in some instances

• Good hot water temperature control

• High pressure and flow rate of hot water at all outlets