
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 Cutoff
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