6 | Appliance information
Product Name6 720 ... ... (YYYY/MM)
2.7 Regular boiler layout and components
Fig. 3 Component layout KBR
Legend to figure 3:
[1] Flue connector
[2] ON/OFF switch
[3] Display
[4] Pressure gauge
[5] Combustion chamber cover mounting bracket x 4
[6] Flame sense electrode
[7] Electrode assembly
[8] Flow temperature sensor
[9] High limit thermostat
[10] Heat exchanger inspection cover
[11] Condensate pan
[12] Pressure relief valve
[13] Drain cock
[14] Condensate trap
[15] Gas valve
[16] Flue overheat thermostat
[17] Air Intake pipes (30 and 42kW boilers only)
[18] Manual vent
[19] Pre-mix chamber
[20] Spark generator
[21] Fan
[22] Combustion chamber cover
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12
10
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15
9
8
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6
21
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18
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19
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6720809859-12.1Wo
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17
1
22
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