PP10 ch Boilers 1.2

What is the main advantage of a combination boiler?

• Provides instant hot water

• Supplies hot water to multiple draw-off points

• Requires less maintenance

• Works well in hard water areas

What is a limitation of a combination boiler?

• Limited flow rate

• Works well in hard water areas

• Provides instant hot water

• Supplies hot water to multiple draw-off points

How is a combination boiler filled?

• By connecting a filling loop between the CWS and CH return

• By pouring water directly into the boiler

• By connecting a hose to the mains water supply

• By using a separate filling tank

What is the function of the CH flow pipe connection in a combination boiler?

• To send heat to the heating system

• DHW outlet

• Gas

• Condensate drain

The symbol shown here is?

• Stop valve

• Circulator

• Automatic air vent

• Drain off valve

What is Delta T

• Weight of the cistern

• The pump speed

• Room temperature divided by boiler temperature

• The difference between the temperature of the radiator and the room

Balancing a heating system requires you to adjust what

• The thermostat

• The TRV

• The lock shield

• The thermometer