Do not remove or adjust the casing in any way, as incorrect-fitting may result in incorrect
operation or failure to operate at all.
1.5.16 Condensate drain
The condensate drain must not be modified or blocked.
1.5.17 Pluming from flue terminal
All condensing boilers produce a plume of water vapour from the flue terminal. This is due to the
high efficiency and hence low flue gas temperature. This may increase in wet, damp weather
but this is completely normal and indicates that the boiler is operating correctly.
1.5.18 Cleaning
This appliance contains metal parts and care should be taken when handling and cleaning with
particular regard to edges.
The boiler casing can be cleaned using a mild liquid detergent with a damp cloth, then a dry
cloth to polish.
Do not use any form of abrasive or solvent cleaner as you may damage the paint work.
1.5.19 Maintenance and servicing
For the continued efficient and safe operation of the boiler it is recommended that it is checked
and serviced at regular intervals. The frequency of servicing will depend upon the installation
conditions and usage, but in general, once a year should be enough.
If this appliance is installed in a rented property there is a duty of care imposed on the owner of
the property by the current issue of the Gas Safety (Installation and Use) Regulations, Section
35.
Servicing/maintenance should be carried out by a competent person approved at the time by
the Health and Safety Executive in accordance with the rules in force in the countries of
destination.
Please be advised that on completion of commissioning and servicing you should complete the
Benchmark gas boiler commissioning checklist.
All competent persons approved at the time by the Health and Safety Executive carry a ID card,
and have a registration number. Both should be recorded there.
1.5.20 Technical data
All dimensions are given in millimetres (except as noted). The data label is positioned on the
combustion chamber cover. The Seasonal Efficiency Domestic Boilers UK (SEDBUK) is:
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