NEW6035HWPPT2

Which of the following is a type of domestic hot water system?

• Combi boiler

• Solar panel

• Wind turbine

• Geothermal pump

A _______ is a type of domestic hot water system that combines heating and hot water in one unit.

• Combi boiler

• Solar panel

• Wind turbine

• Geothermal pump

What is a requirement for all immersion heaters installed today?

• A) A reset button or cut-out device

• B) A manual switch

• C) A digital display

• D) A remote control

Domestic immersion heaters are rated at ____.

• 2kW

• 3kW

• 4kW

• 5kW

What are open vented combination units?

• Units with separate cylinder and cistern

• Pre-plumbed units with joined cylinder and cistern

• Units only found in houses

• Units that are difficult to install.

Open vented combination units are sometimes found in ______.

• houses

• offices

• flats

• schools

What is the function of the 'Open vent' in a domestic hot water system?

• Safety device

• To supply hot water

• To drain water

• To heat water

In a domestic hot water system, the 'Coil type heat exchanger' is used to ______.

• store water

• heat water

• cool water

• vent air

Which part of the water heater is responsible for heating the water?

• Thermostat

• Heating Element

• Pressure Relief Valve

• Drain Valve

What is a characteristic of a single feed system?

• It requires a feed and expansion cistern.

• It uses separate pipes for primary and secondary waters.

• It uses a primatic cylinder.

• It is a direct system.