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Pre-Installation
Additional protection for transition through a wall.
The external pipework can be insulated to help prevent freezing during
prolonged cold periods.
• Where insulation is required, the entire run of external pipework [5]
should be insulated with a recess in the external face allowing better
insulation protection coverage [4] as it transitions to the outside of
the building.
• The hole through the wall must be sealed to the building fabric on the
internal [1] and external [3] face using a suitable building material,
(use a 40mm sleeve [2] to pass the condensate pipework through
and then seal the internal and external faces).
2
1
Fig. 35 Additional protection for transition through a wall
[1]
Internal face sealed (32mm pipe sealed to sleeve)
[2]
40mm sleeve
[3]
External face sealed (32mm pipe sealed to sleeve)
[4]
Insulation recessed into the wall
[5]
Condensate discharge pipe
Good Practice
▶ The following guidance indicates the good practices that must be
maintained for the Installation and Maintenance of a product.
28
Rain water down pipe with external air break
Figure 36
• Refer to following example to dispose of condensate to a rain water
down pipe.
• An air break or rain water hopper must be utilised, between the
appliance condensate outlet and the drainpipe, outside the property,
to avoid flooding of the appliance should the downpipe become
obstructed.
3
4
5
0010026770-002
Fig. 36 Disposal into rain water down pipe
[1]
[8]
[9]
[10] External rain water pipe to foul water
[11] External air break
[12] Air gap
[13] Strap-on fitting
[14] 43mm 90° male/female bend
[20] Rain water hopper
[21] Increase pipe size
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8
9
1
8
9
Condensate discharge from appliance
Pipework transition
Appliances with small capacity trap without CondenseSure
accessory fitted.
Greenstar 1000 – 6721835943 (2023/08)
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