Gas Pipe Fitting Instructions - Hamworthy Purewell Installation, Commisioning And Maintenance Instructions

Figure No. 5a
Reference to Figure No. 5b - Insulation should be
folded around boiler such that its rear edges meet in
the centre. Ensure flow and return connections are
clear and unobstructed. Apply foil tape down join.
Figure No. 5b
Reference to Figure No. 5c - Fold down petals as
shown. Use foil tape to affix edges. Fold as
HAMWORTHY HEATING LTD.
required. Ensure gas pipe bracket is clear and
unobstructed.
Figure No. 5c
Ensure combustion air passages are unobstructed
when fully fitted.

10.3 Gas Pipe Fitting Instructions

With reference to Figure No. 6a - Remove half union
and gas valve from gas train. Ensure gas valve/
manifold bracket does not suffer undue stress/
movement. Affix half union and gas valve assembly
to gas pipe as shown using proprietary sealing
compound. Ensure gas valve lever is correctly
orientated. Offer gas pipe to boiler as shown. Bracket
should be mounted as shown. Bracket's position will
be dependent on boiler size.
Figure No. 6a
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PUREWELL AUTOMATIC IGNITION 500001035/G