Module 14 Flues

Question 1

Name the four components in the flue pipe installation:

Answer 1

1 – Flue terminal
2 – Storm collar
3 – Weather proof plate
4 – Fire stop plate clamp

Question 2

When installing a new appliance which is preferred:

a) Flueless
b) Open Flued
c) Room Sealed

Answer 2

c) Room Sealed

Question 3

When installing a balanced flue R/S through a cavity with insulation how much of a gap must be left between the flue and the insulation?

a) 10mm
b) 25mm
c) 50mm
d) 75mm

Answer 3

b) 25mm

Question 4

When would you use a heat shield on a flue terminal?

Answer 4

Within 1m of a plastic gutter or 0.5m of painted eaves/gutter

Question 5

When would you install a flue terminal guard?

Answer 5

When terminal is less than 2m above any area of access e.g. flat roof, path etc.

Question 6

When a flue pipe runs through an insulated roof space it should be:

a) uninsulated, unsupported
b) insulated, unsupported
c) uninsulated, supported
d) insulated, supported

Answer 6

d) insulated, supported

Question 7

Flexible flues can be installed in lengths of:

a) 1m
b) 3m
c) 10m
d) Continuous length

Answer 7

d) Continuous length

Question 8

A flexible flue liner should be sealed at:

a) Top only
b) Bottom only
c) Top and Bottom
d) Continuous

Answer 8

c) Top and Bottom

Question 9

What is the common name for a vertical balanced flue?

Answer 9

Vertex Flue System

Question 10

A Vertex Flue System is:

a) horizontal balanced flue
b) vertical fan flue
c) horizontal fan flue
d) vertical balanced flue

Answer 10

d) vertical balanced flue

Question 11

A Vertex type flue will have a draught diverter in:

a) Same compartment as the boiler
b) Ventilated roof space
c) Either of the above

Answer 11

d) Ventilated roof space