8
240012994 Rev. B [08/31/2020]
3 - COMPONENT LISTING
ITEM
NO.
1 Pump with Air Separator
2 Boiler Drain Tap
3
Flow Sensor with Water Filter
and Flow Restrictor
4 DHW Priority Sensor
5 Controlled Fast Fill
6 Gas Valve
7 NTC DHW Sensor
8 Low Water Pressure Cuto
9 3-Way Valve with Motor
10 Check Valve
11 DHW Heat Exchanger
12 Water Safety Thermostat
13
NTC Heating sensor (Flow/Return)
QTY 2, (1 Shown for clarity)
14 Flue Sensor
15
Pressure Switch
16
Coaxial Connector
17
Heat Exchanger Temperature
Protector
18 Heat Exchanger
19 Burner (not shown)
20 Ignition Electrode
21 Flame Detection Electrode
22 Air/Gas Blend Manifold
23 Venturi
24 Fan
2
1
3
8
15
7
10
5
14
13
12
11
19
16
20
6
18
22
21
23
17
9
24
4
Illustrations are a depiction of the boiler for general location of parts and may vary depending on model.
LENNOX GCWB95W-150
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