![background image](http://html.mh-extra.com/html/carrier/bwcaag000120/bwcaag000120_installation-and-operating-instructions-manual_2562170007.webp)
7
BWHAAG000120 - BWHAAG000150
Front view
2 Condensate Trap
4 Drain valve
5 Low Water Cutoff
6 Gas valve
7 Injector
9 Water Temperature High Limit
10 Supply sensor
11 Return sensor
12 Exchanger thermostat
13 Primary Heat exchanger
14 Flame sensor
15 Manual air vent hose
16 Manual upper air vent valve
17
Flue temperature sensor
18 Positive air pressure tube
19 Flue outlet
20 Air intake
21 Negative air pressure tube
22 Air pressure switch
23 Thermal fuse
24 Ignition transformer
25 Expansion tank
26 Burner
27 Ignition electrode
28 Water discharge hose
29 Clapet
30 Fan
31 Mixer
32 Lower air vent valve
33 Pump
35 Three way valve
Side views
11
17
10
9
13
12