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Fig. 13
INTERIOR COMPONENTS DIAGRAM
AND PARTS LIST 125B
1 Cover 8 705 421 025
2 Temperature adjustment knob 8 702 000 111
3Tem
p
erature ad
j
ustment collar 8 700 403 008
4 Draft diverter 8 705 505 354
5 Heat exchanger 8 705 406 235
6 Outlet flex hose 8 700 703 130
7 Washer 8 700 103 658
8 Cold water pipe 8 700 705 627
9 Main burner 8 708 120 298 NG
9 Main burner 8 708 120 296 LP
10 Pilot burner 8 718 105 051
11 Pilot air screen 8 700 507 055
12 Piezo electrode 8 708 107 002
13 Pilot injector 8 708 200 005 NG
13 Pilot injector 8 748 200 173 LP
14 Pilot tube 8 700 707 320
15 Burner assembly washer 8 710 103 060
16 Throttle disc 8 700 100 174 LP
17 Gas valve 8 707 021 090 NG
17 Gas valve 8 707 021 091 LP
18 Gas supply pipe 8 700 705 552
19 Electromagnet 8 707 201 012
20 Thermocouple / Flue Gas Sensor 8 707 206 074
21 Water valve 8 707 002 649
22 Water valve cover 8 705 500 101
23 Pushrod 8 700 306 114
24 Diaphragm 8 700 503 053
25 Water inlet filter 8 700 507 001
26 Water connection gasket 8 710 103 043
27 Water valve selector screw 8 708 500 289
28 Volumetric water governor 8 705 705 009
29 Venturi 8 708 205 279
30 Water elbow fitting 8 700 703 114
31 Overheat sensor (ECO) 8 707 206 040
32 Connecting pipe hot 8 700 715 178
34 Washer 8 710 103 045
35 Water valve set screw 8 703 401 051