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WD52/0/1997
INDEX
7.0
GENERAL
7.1
PRECAUTIONS
7.2
ACCESS
7.3
PROCEDURES - GENERAL
7.4
ELECTRICAL
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.4.6
7.4.7
7.4.8
7.4.9
7.4.10 GAS LOW PRESSURE SWITCH
7.5
GAS ORIFICE
7.6
SPARK IGNITION/FLAME DETECTION ELECTRODE
7.7
BURNER HEAD & BURNER
7.8
HEAT EXCHANGER
7.9
AIR FILTER
7.10
CONDENSATE TRAP
7.11
PRESSURE GAUGE
7.12
SIGHT GLASS
7.13
HT IGNITION LEAD
7.14
AIR ORIFICE
Installation & Servicing Instructions
Chapter 7 : Replacement Of Parts
7. REPLACEMENT OF PARTS
ON/OFF SWITCH
BOILER THERMOSTAT
NEONS
FLOW OVERHEAT, FLOW HIGH LIMIT & FLUE PROTECTION
THERMOMSTATS
WATER PRESSURE SWITCH
IGNITION CONTROL BOX
AIR PRESSURE SWITCH
COMBUSTION BLOWER
GAS CONTROL VALVE
The Keston 130 Condensing Boiler
Page : 41
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