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To maintain the boiler’s high thermal efficiency and
ensure reliable operation, it should be serviced
annually by a qualified and registered OFTEC
engineer. Electrical work should be carried out by a
qualified engineer. A CD/11 servicing and
commissioning form should be completed and left
with the appliance on-site.
If the boiler is used to provide central heating and hot
water all year round, the best time for the annual
service is just before the start of the heating season.
The condensate unit and trap should be inspected as
part of the annual service schedule. Remove the
access cover from the top of the condensate unit and
clean all deposits from within. Ensure there are no
blockages within the condensate pipework and the ‘U’
trap itself. When complete, recheck the integrity of the
pipework joints by pouring a small amount of water
into the condensate unit and looking for leaks. Some
water should be retained within the ‘U’ trap.
Casing
Clean with a damp cloth. Check for signs of corrosion,
apply a suitable protective material if necessary.
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