8 Gas / Water and Appliance Connection
Diagram 8.1
8.1 Gas Connection
Before connection check the supply of local gas.
The gas supply connection is below the boiler, see diagram
8.1.
The whole of the gas installation, including the meter, should
be inspected, tested for tghtness and purged in accordance
with the current issue of BS6891 and in IE the current edition
of I.S.813 “Domestic Gas Installations”.
Gas Connection
Water Connections
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14507
9.1 Condensate Drain Connection
The condensate drain connection, is positioned below the
boiler as shown in diagram 9.1. To discharge condensate to a
drain, the drain pipe should have a fall of a least 44mm/metre
(2.5°) away from the boiler.
Condensate should, if possible be discharged into the
household internal drainage system. If this is not practicable,
discharge can be allowed into the external household drains
or a purpose designed soak away, refer to diagram 9.2.
It is recommended that any external condensate drain pipe is
insulated and also preferably of 32mm diameter, to prevent
freezing in adverse weather conditions.
The condensate is discharged periodically in ‘slugs’ by
siphonic action.
It is not necessary to provide air breaks or extra traps in the
discharge pipe as there is already a trap inside the boiler.
Fitting an extra trap may cause the boiler siphon to work
incorrectly.
Refer to BS5546 or BS6798 for advice on disposal of boiler
condensate.
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Diagram 9.1
8.2 Water Connections
Provision is made for the water connections to be made from
above the boiler, see diagram 8.1. The position is shown on
the wall template.
Flush out the domestic hot water and the heating systems
before connecting to the boiler.
9 Condensate Connections
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