These appliances are for use with natural gas or LPG.
(An LPG conversion kit is included with the boiler.)
Type : B23-B33-B53-C13-C33-C43-C53-C63-C83
Installation &
Operation
Manual
Keep this manual near this boiler for future reference
whenever maintenance or service is required.
WARNING
result, causing property damage or personal injury.
–
other appliance.
–
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliances.
Do not touch any electrical switch; do not use any phone in your building.
Immediately call the National Gas Emergency Helpline on (Freephone) 0800 111999 or your gas
supplier from a neighbour’s phone. Follow the instructions received.
–
Installation and service must be performed by a Gas Safe registered installer, service agency or
the gas supplier.
Condensing System Boiler
Gas Model GC Number
Natural Gas
NCB-20LHWE
NCB-23LHWE
NCB-28LHWE
NCB-33LHWE
41-709-01
41-709-02
41-709-03
41-709-04
LPG
NCB-20LHWE
NCB-23LHWE
NCB-28LHWE
NCB-33LHWE
41-709-05
41-709-06
41-709-07
41-709-08
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