User’s
Information
Manual
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These appliances are for use with natural gas or LPG.
(An LPG conversion kit is included with the boiler.)
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Type: B23-B33-B53-C13-C33-C43-C53-C63-C83
Gas Model GC Number
Natural Gas
NCB-24LDWE
NCB-28LDWE
NCB-34LDWE
NCB-40LDWE
47-709-01
47-709-02
47-709-03
47-709-04
LPG
NCB-24LDWE
NCB-28LDWE
NCB-34LDWE
NCB-40LDWE
47-709-05
47-709-06
47-709-07
47-709-08
Keep this manual near this boiler for future reference
whenever maintenanc e or service is required.
Condensing Combi Boiler
WARNING
If the information in these instructions is not followed exactly, a fire or explosion
may result, causing property damage or personal injury.
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Do not store or use petrol or other flammable vapours and liquids in the vicinity of this or
any other appliance.
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WHAT TO DO IF YOU SMELL GAS
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Do not try to light any appliances.
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Do not touch any electrical switch; do not use any phone in your building.
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Immediately call the National Gas Emergency Helpline on (Freephone) 0800 111999 or your gas
supplier from a neighbour’s phone. Follow the instructions received.
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Installation and service must be performed by a Gas Safe registered installer, service
agency or the gas supplier.
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