Replacement Parts List
FB-RP Rev A
PARTS & SERVICE DEPARTMENT
Nashville, Tennessee
615-889-8900 • Fax: 615-882-2918
parts_team@lochinvar.com
www.Lochinvar.com
Crest
®
Heating Boilers
FBN(L) 1500 - 3500
68
64
56
73
60
72
59
74
17
25
63
71
70
8
12
6
7
74
75 69
67
52
DISPLAY PANEL CONTROL PANEL
23
21
22
20
24
5
57
2
3
HEAT EXCHANGER
45
58
47
11
48
4
1
26
24
43
44
16
55
54
40
10
41
54
49
51
46
42
54
53
38
50
39
9
61
62
12
FB-RP Rev A
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GAS TRAIN - LARGE
1500, 2000 & 2500
GAS TRAIN - SMALL
1500 & 2000
15
15
30
13
35
29
19
GAS TRAIN - LARGE
3000
15
37
30
29
19
65
32
27
18
18
34
GAS TRAIN - SMALL
2500 & 3000
34
31
14
32
28
33
19
15
30
36
14
29
13
GAS TRAIN - LARGE
3500
15
37
30
29
19
13
65
66
32
32
27
18
GAS TRAIN - SMALL
3500
34
14
32
32
28
28
19
19
33
15
30
35
29
66
FB-RP Rev A
27
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ITEM NO. PART NO. DESCRIPTION MODEL NO.
CONTROLS
1 RLY20059 INTEGRATED CONTROL FB1500 - 2500
1 RLY20082 INTEGRATED CONTROL FB3000 & 3500
2 RLY20050 LCD DISPLAY ALL
3 GKT20042 GAKSET, LCD DISPLAY ALL
4 RLY20060 DISPLAY COMMUNICATION CONTROL ALL
5 RLY20041 MODBUS BOARD ALL
6 RLY20070 LOW VOLTAGE CONTROL BOARD ALL
7 RLY20080 LOW VOLTAGE CONTROL BOARD ALL
8 TST2032 SENSOR, INLET/SYSTEM ALL
9 TST20010 SENSOR, DUAL OUTLET ALL
10 TST20014 SENSOR, PREMIX GAS/AIR ARM ALL
11 HLC20002 HIGH LIMIT ALL
12 TST2306 BULBWELL ALL
13 FAN3719 FAN ASSEMBLY LARGE FB1500 & 2000
13 FAN30003 FAN ASSEMBLY LARGE FB2500 - 3500
14 FAN30004 FAN ASSEMBLY SMALL FB1500 & 2000
14 FAN30001 FAN ASSEMBLY SMALL FB2500 & 3000
14 FAN3719 FAN ASSEMBL Y SMALL FB3500
15 GKT2058 GASKET, FAN (LARGE 1500 & 2000) (SMALL 3500) FB1500, 2000 & 3500
15 GKT2438 GASKET, FAN SMALL FB1500 & 2000
15 GKT20017 GASKET, FAN LARGE FB2500 - 3500
15 GKT2034 GASKET, FAN SMALL FB2500 & 3000
16 PRS20032 AIR PRESSURE SWITCH ALL
17 PRS2442 AIR PRESSURE SWITCH ALL
18 PRS20029 GAS PRESSURE SWITCH, LOW ALL
19 PRS20030 GAS PRESSURE SWITCH, HIGH ALL
20 RLY2706 RELAY, 120V ALL
21 SWT2002 MOMENTARY OFF SWITCH, RED ALL
22 SWT2003 MOMENTARY OFF SWITCH, BLACK ALL
23 SWT2006 ON/OFF SWITCH ALL
24 TRF20000 TRANSFORMER, 24V, 40VA ALL
25 TRF20001 TRANSFORMER, SPARK ALL
26 WTR30000 LOW WATER CUT-OFF, MANUAL RESET ALL
- WTR2221 PROBE, LWCO ALL
- WTR20000 BOOT, LWCO ALL
GAS TRAIN ASSEMBLY
27 VAL30039 GAS VALVE ASSEMBLY NAT - LARGE FBN1500
27 VAL30041 GAS VALVE ASSEMBLY NAT - LARGE FBN2000
27 VAL30042 GAS VALVE ASSEMBLY NAT - LARGE FBN2500
27 VAL30044 GAS VALVE ASSEMBLY NAT - LARGE FBN3000
27 VAL30046 GAS VALVE ASSEMBLY NAT - LARGE FBN3500
27 VAL30049 GAS VALVE ASSEMBLY LP - LARGE FBL1500
27 VAL30051 GAS VALVE ASSEMBLY LP - LARGE FBL2000
27 VAL30052 GAS VALVE ASSEMBLY LP - LARGE FBL2500
27 VAL30054 GAS VALVE ASSEMBLY LP - LARGE FBL3000
27 VAL30056 GAS VALVE ASSEMBLY LP - LARGE FBL3500
28 VAL30038 GAS VALVE ASSEMBLY NAT - SMALL FBN1500
28 VAL30040 GAS VALVE ASSEMBLY NAT - SMALL FBN2000
28 VAL30043 GAS VALVE ASSEMBLY NAT - SMALL FBN2500
28 VAL30045 GAS VALVE ASSEMBLY NAT - SMALL FBN3000
28 VAL30047 GAS VALVE ASSEMBLY NAT - SMALL FBN3500
28 VAL30048 GAS VALVE ASSEMBLY LP - SMALL FBL1500
28 VAL30050 GAS VALVE ASSEMBLY LP - SMALL FBL2000
28 VAL30053 GAS VALVE ASSEMBLY LP - SMALL FBL2500
28 VAL30055 GAS VALVE ASSEMBLY LP - SMALL FBL3000
28 VAL30057 GAS VALVE ASSEMBLY LP - SMALL FBL3500
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
FB-RP Rev A
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ITEM NO. PART NO. DESCRIPTION MODEL
GAS TRAIN ASSEMBLY CONTINUED
29 GKT2050 GASKET, FLANGE VENTURI ALL
30 GKT2057 GASKET, FAN/VENTURI ALL
31 GKT2081 GASKET, AIR SHROUD FB1500 & 2000
32 GKT20065 GASKET, O-RING - SMALL FB1500 & 2000
32 GKT20067 GASKET, O-RING - LARGE FB3000 & 3500
32 GKT20066 GASKET, O-RING (LARGE 1500 - 2500) (SMALL 2500 - 3500) ALL
33 GAC2028 GAS CUT OFF VALVE 3/4" FB1500 - 3000
34 GAC2031 GAS CUT OFF VALVE 1 1/2" FB1500 & 2000
34 GAC2032 GAS CUT OFF VALVE 2" FB2500 - 3500
35 VAL2160 VALVE, VENTURI (LARGE 1500 - 2500) (SMALL 3500) FB1500 - 2500 & 3500
36 VAL2723 VALVE, VENTURI - SMALL FB2500 & 3000
37 VAL2127 VALVE, VENTURI - LARGE FB3000 & 3500
PILOT & BURNER ASSEMBLIES
38 PLT30003 FLAME SENSOR W/ GASKET ALL
39 GKT20055 GASKET, FLAME SENSOR ALL
40 PLT30004 IGNITOR W/ GASKET ALL
41 GKT20054 GASKET, IGNITOR ALL
42 BNR30012 BURNER W/ GASKET FB1500
42 BNR30013 BURNER W/ GASKET FB2000 & 2500
42 BNR30014 BURNER W/ GASKET FB3000
42 BNR30015 BURNER W/ GASKET FB3500
43 WTR30009 GAS/AIR MANIFOLD W/ GASKET ALL
44 GKT20031 GASKET, GAS/AIR MANIFOLD ALL
45 WTR20022 GAS/AIR ARM FB1500 & 2000
45 WTR20023 GAS/AIR ARM FB2500 - 3500
46 WTR20024 GAS/AIR ARM FB1500 & 2000
46 WTR20025 GAS/AIR ARM FB2500 & 3000
46 WTR20026 GAS/AIR ARM FB3500
47 GKT20019 GASKET, GAS/AIR ARM ALL
48 GKT20020 GASKET, GAS/AIR ARM ALL
49 WTR30010 DOOR, HEAT EXCHANGER ASSEMBLY FB1500
49 WTR30011 DOOR, HEAT EXCHANGER ASSEMBLY FB2000
49 WTR30012 DOOR, HEAT EXCHANGER ASSEMBLY FB2500
49 WTR30013 DOOR, HEAT EXCHANGER ASSEMBLY FB3000
49 WTR30014 DOOR, HEAT EXCHANGER ASSEMBLY FB3500
MISCELLANEOUS
50 MSC30024 SIGHT GLASS ALL
51 FIB20068 FIBERBOARD, BURNER FB1500
51 FIB20069 FIBERBOARD, BURNER FB2000
51 FIB20070 FIBERBOARD, BURNER FB2500
51 FIB20071 FIBERBOARD, BURNER FB3000
51 FIB20072 FIBERBOARD, BURNER FB3500
52 FIB20073 INSULATION, HEX WRAP FB1500
52 FIB20074 INSULATION, HEX WRAP FB2000
52 FIB20075 INSULATION, HEX WRAP FB2500
52 FIB20076 INSULATION, HEX WRAP FB3000
52 FIB20077 INSULATION, HEX WRAP FB3500
53 FIB20103 INSULATION, HEX TOP FB1500
53 FIB20104 INSULATION, HEX TOP FB2000
53 FIB20105 INSULATION, HEX TOP FB2500
53 FIB20106 INSULATION, HEX TOP FB3000
53 FIB20107 INSULATION, HEX TOP FB3500
54 GKT20024 GASKET SET (BURNER, HEAT EXCHANGER, SIGHT GLASS) FB1500
54 GKT20025 GASKET SET (BURNER, HEAT EXCHANGER, SIGHT GLASS) FB2000
54 GKT20028 GASKET SET (BURNER, HEAT EXCHANGER, SIGHT GLASS) FB2500
54 GKT20029 GASKET SET (BURNER, HEAT EXCHANGER, SIGHT GLASS) FB3000
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
FB-RP Rev A
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ITEM NO. PART NO. DESCRIPTION MODEL
MISCELLANEOUS CONTINUED
54 GKT20030 GASKET SET (BURNER, HEAT EXCHANGER, SIGHT GLASS) FB3500
55 GKT20057 GASKET SIGHT GLASS TOP ALL
56 JKF60251 AIR INLET COVER FB1500 - 2500
56 JKF60252 AIR INLET COVER FB3000 & 3500
57 MSC40000 DISPLAY MOUNTING PLATE ALL
58 MSC20136 HOLDER, LCD ALL
59 MSC20101 TOP BEZEL ALL
60 MSC20098 DISPLAY BEZEL ALL
61 RLV20003 RELIEF VALVE 50 PSI FB1500 - 3000
61 RLV20006 RELIEF VALVE 50 PSI FB3500
62 GTP20005 GAUGE, TEMPERATURE & PRESSURE ALL
63 FAN2027 VENTILATION FAN ALL
64 TST20026 FLUE TEMP SENSOR ALL
65 VAL2950 VALVE, BALL FB1500 - 2500 & 3500
66 VAL2207 VALVE, BALL FB3000 & 3500
67 WTR2547 VALVE, DRAIN ALL
68 MSC20149 CONDENSA TE TRAP ALL
69 TUB20018 FLEX GAS PIPE 1" FB1500 & 2000
69 TUB20017 FLEX GAS PIPE 1 1/4" FB2500 - 3500
- GKT20059 GASKET, AIR INLET COVER FB1500 - 2500
- GKT20060 GASKET, AIR INLET COVER FB3000 - 3500
- JKF40036 INLET ADAPTER (SQUARE TO ROUND) FB1500
- JKF40037 INLET ADAPTER (SQUARE TO ROUND) FB2000 & 2500
- JKF40038 INLET ADAPTER (SQUARE TO ROUND) FB3000 & 3500
- WRE20058 RIBBON CABLE ALL
- WRE20106 HARNESS, ELECTRODE, SPARK ALL
- WRE20107 HARNESS, ELECTRODE, FLAME SENSE ALL
- FUS2000 FUSE, 1.25 AMP ALL
- FUS2001 FUSE, 3.15 AMP ALL
- FUS2002 FUSE, 5 AMP ALL
- TST2311 OUTDOOR AIR SENSOR ALL
- KIT3046 NEUTRALIZER KIT ALL
- MSC20170 HOSE, CONDENSATE 3/8" ALL
- MSC20171 HOSE, CONDENSATE 1" ALL
- MSC2461 TUBING, SILICONE 1/8" ALL
- MSC2933 TUBING, ALUMINUM 1/4" ALL
- MSC20062 DOOR CATCH ALL
- MSC2202 DOOR STRIKE ALL
JACKET ASSEMBLIES
70 JKF60124 JACKET, OUTER TOP REAR FB1500 & 2000
70 JKF60125 JACKET, OUTER TOP REAR FB2500
70 JKF60127 JACKET, OUTER TOP REAR FB3000 & 3500
71 JKF30000 JACKET, OUTER TOP MIDDLE FB1500 & 2000
71 JKF30001 JACKET, OUTER TOP MIDDLE FB2500
71 JKF30002 JACKET, OUTER TOP MIDDLE FB3000 & 3500
72 JKF30003 JACKET, OUTER FRONT LOWER DOOR FB1500 & 2000
72 JKF30004 JACKET, OUTER FRONT LOWER DOOR FB2500
72 JKF30005 JACKET, OUTER FRONT LOWER DOOR FB3000 & 3500
73 JKF30006 JACKET, OUTER FRONT UPPER DOOR FB1500 & 2000
73 JKF30007 JACKET, OUTER FRONT UPPER DOOR FB2500
73 JKF30008 JACKET, OUTER FRONT UPPER DOOR FB3000 & 3500
74 JKF30009 JACKET, OUTER LEFT AND RIGHT SIDE ALL
75 JKF60253 CONTROL PANEL COVER ALL
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
FB-RP Rev A
6 of 8
Notes
FB-RP Rev A
7 of 8
FB-RP Rev A
8 of 8
© -04/11 - Printed in U.S.A.
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