25Si / 28Si
WALL MOUNTED COMBINATION BOILERS FOR CENTRAL HEATING
AND MAINS FED DOMESTIC HOT WATER
INSTALLATION AND
SERVICING INSTRUCTIONS
This appliance is for use with Natural Gas or LPG (Cat II 2H3P).
25Si GC NUMBER 47 311 49 (N.G.) CG NUMBER 47 311 50 (L.P.G.)
28Si GC NUMBER 47 311 51 (N.G.) CG NUMBER 47 311 52 (L.P.G.)
APPLIANCE OUTPUTS
Domestic Central Heating
Hot Water
25 28 25 28
Minimum 8.5 kW 8.5kw 8.5 kW 8.5kw
Maximum 25.0kW 28.0kw 25.0kW 28.0kw
IMPORTANT: THESE INSTRUCTIONS APPLY IN THE UK ONLY
AND MUST BE LEFT WITH THE USER OR AT THE GAS METER
Read the instructions before starting work - they have been written to make
the installation easier and prevent hold-ups.
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