Unit 318 Install

and maintain gas
water heating and

wet central

heating appliances

L.O 1.1 State the purpose of gas water heating and wet central heating appliances used in dwellings

L.O 1.1 State the
purpose of gas water
heating and wet central
heating appliances
used in dwellings

Purpose of Gas
Water heating
and Central
heating

Using the A3 paper or work
sheet as a brain dump for your
reasons behind Central heating
and Gas water heating
Appliances.
Try to expand on your
reasons take into account
all of the customers you
come across and there
needs / requirements.

In pairs- Collaborate and discuss ammendments you need to consider

Purpose of

Central Heating

Prevent damp
and structural

issues

Modern systems
can incorporate

underfloor

heating

Provides thermal

comfort

provide hot water for

domestic use

Wet central heating
is cost-effective and

efficient

A central heat source
(usually a gas boiler)
produces hot water

The hot water

circulates through
pipes to radiators in

rooms, providing

heat.

​Examples of some purposes

Identify the components and the uses for a Combination boiler

​

Combination Boiler

Research the components of a Combi and their uses.

​

​In your tables use the Magic whiteboard

Combi-Boiler Components

Identify the Positives and Negatives for Combination Boiler, System boiler, Heat only boilers and Water heaters

​

Positive-Negatives