Lochinvar FB751, FB1001, FB1251, FB1501, FB1751 User Manual
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FBII-RP_100207789_2000004589_Rev N
Replacement Parts List
PARTS & SERVICE DEPARTMENT
Nashville, Tennessee
877-554-5544 • Fax: 615-882-2918
parts_team@lochinvar.com
www.Lochinvar.com
Crest
®
Heating Boilers
FBN(L) 751 - 2001
Series 100 - 101 & 110 - 111
61
IMG01113
58
69
57
65
55
67
22
60
62
59
7
10
4
5
70
10
6
63
68
71
53
IMG01114
CONTROL PANEL
17
14
1
13
66
HEAT EXCHANGER
33
21
22
24
21
47
48
IMG01119
50
34
28
28
27
30
16
15
GAS TRAIN
Series 100 & 101
12
11
29
26
31
32
IMG01117
42
40
41
43
54
64
46
49
52
25
DISPLAY PANEL
33
44
39
45
40
51
64
8
59
35
60
64
20
2000508147
18
19
50
34
37
26
9
GAS TRAIN
Series 110 & 111
28
27
16
15
38
36
DIR #2000562968 00
32
FBII-RP_100207789_2000004589_Rev N
2000563286 00
3
2
56
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ITEM NO. PART NO. DESCRIPTION MODEL
CONTROLS (CONTINUED)
1 100277781* INTEGRATED CONTROL BOARD (BEGINNING SERIAL #1540) FB 751-1251
1 100277770* INTEGRATED CONTROL BOARD (BEGINNING SERIAL #1540) FB 1501-2001
2 100311232 GASKET, USER INTERFACE DISPLAY ALL
3
4 100208481* LOW VOLTAGE CONTROL BOARD ALL
5 100208476* LOW VOLTAGE CONTROL BOARD ALL
6 100208552* SENSOR, SYSTEM / INLET ALL
7 100208557* SENSOR, DUAL OUTLET ALL
8 100208558* SENSOR, PREMIX THERMOSTAT LIMIT ALL
9
10
- 100233613 BULBWELL, SENSOR, PREMIX TSTAT LIMIT ALL
11 100073294 FAN ASSEMBLY FB 751-1251
11 100267460 FAN ASSEMBLY FB 1501-2001
12 100208089* GASKET, FAN FB 751-1251
12 100277796* GASKET, FAN FB 1501-2001
13 100277772* PRESSURE SWITCH - 4.1" WATER COLUMN ALL
14 100289704* PRESSURE SWITCH - 5.8" WATER COLUMN FB 751-1251
14 100289706* PRESSURE SWITCH - 2.5" WATER COLUMN FB 1501-2001
15 100208385* PRESSURE SWITCH - 3.0" WATER COLUMN ALL
16 100274744* PRESSURE SWITCH - 27.0" WATER COLUMN ALL
17 100208509* RELAY, 120VAC, 60HZ, 10.8 AMP ALL
18 100277797 MOMENTARY SWITCH, RED - 20 AMP, 125 VOLT ALL
19 100277798 MOMENTARY SWITCH, BLACK - 20 AMP, 125 VOLT ALL
20 100271316 ON / OFF SWITCH, RED ALL
21 100208230 TRANSFORMER, 24V, 40VA ALL
22 100274743 TRANSFORMER, SPARK ALL
23
24 100173747 LOW WATER CUTOFF, MANUAL RESET ALL
25
- 100277801 BOOT, LWCO ALL
26 100073358 GAS VALVE ASSEMBLY, NAT - SMALL FB 751
26 100073359 GAS VALVE ASSEMBLY, NAT - SMALL FB 1001
26 100073360 GAS VALVE ASSEMBLY, NAT - SMALL (SERIES 100 & 101) FB 1251
26 100267412 GAS VALVE ASSEMBLY, NAT - SMALL (SERIES 100 & 101) FB 1501
26 100267413 GAS VALVE ASSEMBLY, NAT - SMALL (SERIES 100 & 101) FB 1751
26 100267414 GAS VALVE ASSEMBLY, NAT - SMALL (SERIES 100 & 101) FB 2001
26 100310375 GAS VALVE ASSEMBLY, NAT - SMALL (SERIES 110 & 111) FB 1251-2001
26 100073364 GAS VALVE ASSEMBLY, LP - SMALL FB 751
26 100073365 GAS VALVE ASSEMBLY, LP - SMALL FB 1001
26 100073366 GAS VALVE ASSEMBLY, LP - SMALL (SERIES 100 & 101) FB 1251
26 100267415 GAS VALVE ASSEMBLY, LP - SMALL (SERIES 100 & 101) FB 1501
26 100267416 GAS VALVE ASSEMBLY, LP - SMALL (SERIES 100 & 101) FB 1751
26
26
27 100073370 GAS VALVE ASSEMBLY, NAT - LARGE FB 751
27 100073371 GAS VALVE ASSEMBLY, NAT - LARGE FB 1001
27 100073372 GAS VALVE ASSEMBLY, NAT - LARGE (SERIES 100 & 101) FB 1251
27 100267418 GAS VALVE ASSEMBLY, NAT - LARGE (SERIES 100 & 101) FB 1501
27 100267419 GAS VALVE ASSEMBLY, NAT - LARGE (SERIES 100 & 101) FB 1751
27 100310377 GAS VALVE ASSEMBLY, NAT - LARGE (SERIES 110 & 111) FB 1251-1751
27 100267420 GAS VALVE ASSEMBLY, NAT - LARGE (SERIES 100 & 101) FB 2001
27 100171973 GAS VALVE ASSEMBLY, NAT - LARGE (SERIES 110 & 111) FB 2001
27 100073549 GAS VALVE ASSEMBLY, LP - LARGE FB 751
27
27
27 100267421 GAS VALVE ASSEMBLY, LP - LARGE (SERIES 100 & 101) FB 1501
27 100267422 GAS VALVE ASSEMBLY, LP - LARGE (SERIES 100 & 101) FB 1751
27 100310377 GAS VALVE ASSEMBLY, LP - LARGE (SERIES 110 & 111) FB 1251-1751
27 100267423 GAS VALVE ASSEMBLY, LP - LARGE (SERIES 100 & 101) FB 2001
27 100171973 GAS VALVE ASSEMBLY, LP - LARGE (SERIES 110 & 111) FB 2001
28 100208105* GASKET, GAS VALVE / VENTURI (SERIES 100 & 101) ALL
28 100113072* GASKET, GAS VALVE / VENTURI (SERIES 110 & 111) ALL
29 100289499* GASKET, GAS TRAIN (SERIES 100 & 101) ALL
30 100289500* GASKET, GAS TRAIN (SERIES 100 & 101) ALL
31 100289501* GASKET, GAS TRAIN (SERIES 100 & 101) ALL
100311038 DISPLAY INTERFACE ASSEMBLY ALL
100271315* HIGH LIMIT ALL
100233695* BULBWELL, SYSTEM / INLET / OUTLET ALL
100275047 BACNET BOARD (BEGINNING SERIAL #1540) ALL
100277756 PROBE, LWCO ALL
GAS TRAIN ASSEMBLIES
100267417 GAS VALVE ASSEMBLY, LP - SMALL (SERIES 100 & 101) FB 2001
100310375 GAS VALVE ASSEMBLY, LP - SMALL (SERIES 110 & 111) FB 1251-2001
100073550 GAS VALVE ASSEMBLY, LP - LARGE FB 1001
100073551 GAS VALVE ASSEMBLY, LP - LARGE (SERIES 100 & 101) FB 1251
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
*ITEMS DENOTE SUGGESTED INVENTORY PARTS
FBII-RP_100207789_2000004589_Rev N
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