Worcester Greenstar Utility 25kW User Instructions page 13

Floor standing oil-fired condensing boiler
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Heating economically:
Roof insulation:
Window frames:
Curtains:
Draughts:
Warning: do not block or seal any air vents that
are installed to ensure the central heating boiler
(or other appliance) operate safely.
11

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Greenstar utility 18kw

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