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Replacement Parts List
FB-RP Rev D
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
67
65
57
72
61
71
60
73
18
26
64
70
69
8
12
6
7
73
74 68
66
53
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DISPLAY PANEL CONTROL PANEL
58
3
HEAT EXCHANGER
21
24
22
23
4
1
59
2
46
10
17
41
56
55
11
49
48
47
50
42
44
45
43
55
39
54
40
9
62
25
5
27
25
51
GAS TRAIN - HIGH FIRE
15
37
31
13
30
20
52
55
63
12
GAS TRAIN - LOW FIRE
16
14
35
19
28
36
32
33
29
31
38
30
20
34
FB-RP Rev D
2 of 4
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ITEM NO. PART NO. DESCRIPTION MODEL
1 RLY20059 INTEGRATED CONTROL FB1500 - 2500
1 RLY20082 INTEGRATED CONTROL FB3000 & 3500
2 RLY20050 LCD DISPLAY, PRIOR TO D12H00050290 ALL
2 RLY20098 LCD DISPLAY, BEGINNING WITH D12H00050290 ALL
3 GKT20042 GASKET, LCD DISPLAY ALL
4 RLY20060 DISPLAY COMMUNICATION CONTROL, PRIOR TO D12H00050290 ALL
4 RLY20099 DISPLAY COMMUNICATION CONTROL, BEGINNING WITH D12H00050290 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 ASSEMBL Y FB1500 & 2000
13 FAN30003 FAN ASSEMBLY FB2500 - 3500
14 FAN30004 FAN ASSEMBLY FB1500 & 2000
14 FAN30001 FAN ASSEMBLY FB2500 & 3000
14 FAN3719 FAN ASSEMBL Y FB3500
15 GKT2058 GASKET, FAN FB1500 & 2000
15 GKT20017 GASKET, FAN FB2500 - 3500
16 GKT2438 GASKET, FAN FB1500 & 2000
16 GKT2034 GASKET, FAN FB2500 & 3000
16 GKT2058 GASKET, FAN FB3500
17 PRS20032 AIR PRESSURE SWITCH ALL
18 PRS2442 AIR PRESSURE SWITCH ALL
19 PRS20029 GAS PRESSURE SWITCH, LOW ALL
20 PRS20030 GAS PRESSURE SWITCH, HIGH ALL
21 RLY2706 RELAY, 120V ALL
22 SWT2002 MOMENTARY OFF SWITCH, RED ALL
23 SWT2003 MOMENTARY OFF SWITCH, BLACK ALL
24 SWT2006 ON/OFF SWITCH ALL
25 TRF20000 TRANSFORMER, 24V, 40VA ALL
26 TRF20001 TRANSFORMER, SPARK ALL
27 WTR30000 LOW WATER CUT-OFF, MANUAL RESET ALL
- WTR2221 PROBE, LWCO ALL
- WTR20000 BOOT, LWCO ALL
28 VAL30039 GAS VALVE ASSEMBLY, NAT FBN1500
28 VAL30041 GAS VALVE ASSEMBLY, NAT FBN2000
28 VAL30042 GAS VALVE ASSEMBLY, NAT FBN2500
28 VAL30044 GAS VALVE ASSEMBLY, NAT FBN3000
28 VAL30046 GAS VALVE ASSEMBLY, NAT FBN3500
28 VAL30049 GAS VALVE ASSEMBLY, LP FBL1500
28 VAL30051 GAS VALVE ASSEMBLY, LP FBL2000
28 VAL30052 GAS VALVE ASSEMBLY, LP FBL2500
28 VAL30054 GAS VALVE ASSEMBLY, LP FBL3000
28 VAL30056 GAS VALVE ASSEMBLY, LP FBL3500
29 VAL30038 GAS VALVE ASSEMBLY, NAT FBN1500
29 VAL30040 GAS VALVE ASSEMBLY, NAT FBN2000
29 VAL30043 GAS VALVE ASSEMBLY, NAT FBN2500
29 VAL30045 GAS VALVE ASSEMBLY, NAT FBN3000
29 VAL30047 GAS VALVE ASSEMBLY, NAT FBN3500
29 VAL30048 GAS VALVE ASSEMBLY, LP FBL1500
29 VAL30050 GAS VALVE ASSEMBLY, LP FBL2000
29 VAL30053 GAS VALVE ASSEMBLY, LP FBL2500
29 VAL30055 GAS VALVE ASSEMBLY, LP FBL3000
29 VAL30057 GAS VALVE ASSEMBLY, LP FBL3500
30 GKT2050 GASKET, FLANGE VENTURI ALL
31 GKT2057 GASKET, FAN/VENTURI ALL
- GKT2081 GASKET, AIR SHROUD FB1500 & 2000
32 GKT20066 GASKET, O-RING FB1500-2500
32 GKT20067 GASKET, O-RING FB3000 & 3500
33 GKT20065 GASKET, O-RING FB1500 & 2000
33 GKT20066 GASKET, O-RING FB2500-3500
34 GAC2028 GAS CUT OFF VALVE 3/4" FB1500 - 3000
34 VAL2207 VALVE, BALL FB3500
35 GAC2031 GAS CUT OFF VALVE 1 1/2" FB1500 & 2000
35 GAC2032 GAS CUT OFF VALVE 2" FB2500 - 3500
36 VAL2950 VALVE, BALL FB1500 - 2500 & 3500
36 VAL2207 VALVE, BALL FB3000
37 VAL2160 VALVE, VENTURI FB1500 - 2500
37 VAL2127 VALVE, VENTURI FB3000 & 3500
38 VAL2723 VALVE, VENTURI FB2500 & 3000
38 VAL2160 VALVE, VENTURI FB3500
39 PLT30003 FLAME SENSOR W/ GASKET ALL
40 GKT20055 GASKET, FLAME SENSOR ALL
41 PLT30004 IGNITOR W/ GASKET ALL
42 GKT20054 GASKET, IGNITOR ALL
43 BNR30012 BURNER W/ GASKET FB1500
43 BNR30013 BURNER W/ GASKET FB2000 & 2500
43 BNR30014 BURNER W/ GASKET FB3000
43 BNR30015 BURNER W/ GASKET FB3500
44 WTR30009 GAS/AIR MANIFOLD W/ GASKET ALL
45 GKT20031 GASKET, GAS/AIR MANIFOLD ALL
PLEASE HAVE MODEL AND SERIAL NUMBER AVAILABLE WHEN ORDERING PARTS
PILOT & BURNER ASSEMBLIES
FB-RP Rev D
CONTROLS
GAS TRAIN ASSEMBLY
3 of 4
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ITEM NO. PART NO. DESCRIPTION MODEL
46 WTR20022 GAS/AIR ARM FB1500 & 2000
46 WTR20023 GAS/AIR ARM FB2500 - 3500
47 WTR20024 GAS/AIR ARM FB1500 & 2000
47 WTR20025 GAS/AIR ARM FB2500 & 3000
47 WTR20026 GAS/AIR ARM FB3500
48 GKT20019 GASKET, GAS/AIR ARM ALL
49 GKT20020 GASKET, GAS/AIR ARM ALL
50 WTR30010 DOOR, HEAT EXCHANGER ASSEMBLY FB1500
50 WTR30011 DOOR, HEAT EXCHANGER ASSEMBLY FB2000
50 WTR30012 DOOR, HEAT EXCHANGER ASSEMBLY FB2500
50 WTR30013 DOOR, HEAT EXCHANGER ASSEMBLY FB3000
50 WTR30014 DOOR, HEAT EXCHANGER ASSEMBLY FB3500
51 MSC30024 SIGHT GLASS ALL
52 FIB20068 FIBERBOARD, BURNER FB1500
52 FIB20069 FIBERBOARD, BURNER FB2000
52 FIB20070 FIBERBOARD, BURNER FB2500
52 FIB20071 FIBERBOARD, BURNER FB3000
52 FIB20072 FIBERBOARD, BURNER FB3500
53 FIB20073 INSULATION, HEX WRAP FB1500
53 FIB20074 INSULATION, HEX WRAP FB2000
53 FIB20075 INSULATION, HEX WRAP FB2500
53 FIB20076 INSULATION, HEX WRAP FB3000
53 FIB20077 INSULATION, HEX WRAP FB3500
54 FIB20103 INSULATION, HEX TOP FB1500
54 FIB20104 INSULATION, HEX TOP FB2000
54 FIB20105 INSULATION, HEX TOP FB2500
54 FIB20106 INSULATION, HEX TOP FB3000
54 FIB20107 INSULATION, HEX TOP FB3500
55 GKT20024 GASKET SET (BURNER, HEAT EXCHANGER, SIGHT GLASS) FB1500
55 GKT20025 GASKET SET (BURNER, HEAT EXCHANGER, SIGHT GLASS) FB2000
55 GKT20028 GASKET SET (BURNER, HEAT EXCHANGER, SIGHT GLASS) FB2500
55 GKT20029 GASKET SET (BURNER, HEAT EXCHANGER, SIGHT GLASS) FB3000
55 GKT20030 GASKET SET (BURNER, HEAT EXCHANGER, SIGHT GLASS) FB3500
56 GKT20057 GASKET SIGHT GLASS TOP ALL
57 JKF60251 AIR INLET COVER FB1500 - 2500
57 JKF60252 AIR INLET COVER FB3000 & 3500
58 MSC40000 DISPLAY MOUNTING PLATE ALL
59 MSC20136 HOLDER, LCD ALL
60 MSC20101 TOP BEZEL ALL
61 MSC20098 DISPLAY BEZEL ALL
62 RLV20003 RELIEF VALVE 50 PSI FB1500 - 3000
62 RLV20006 RELIEF VALVE 50 PSI FB3500
63 GTP20005 GAUGE, TEMPERATURE & PRESSURE ALL
64 FAN2027 VENTILATION FAN ALL
65 TST20026 FLUE TEMP SENSOR ALL
66 WTR2547 VALVE, DRAIN ALL
67 MSC20149 CONDENSATE TRAP ALL
68 TUB20018 FLEX GAS PIPE 1" FB1500 & 2000
68 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
- KIT30097 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
69 JKF60124 JACKET, OUTER TOP REAR FB1500 & 2000
69 JKF60125 JACKET, OUTER TOP REAR FB2500
69 JKF60127 JACKET, OUTER TOP REAR FB3000 & 3500
70 JKF30000 JACKET, OUTER TOP MIDDLE FB1500 & 2000
70 JKF30001 JACKET, OUTER TOP MIDDLE FB2500
70 JKF30002 JACKET, OUTER TOP MIDDLE FB3000 & 3500
71 JKF30003 JACKET, OUTER FRONT LOWER DOOR FB1500 & 2000
71 JKF30004 JACKET, OUTER FRONT LOWER DOOR FB2500
71 JKF30005 JACKET, OUTER FRONT LOWER DOOR FB3000 & 3500
72 JKF30006 JACKET, OUTER FRONT UPPER DOOR FB1500 & 2000
72 JKF30007 JACKET, OUTER FRONT UPPER DOOR FB2500
72 JKF30008 JACKET, OUTER FRONT UPPER DOOR FB3000 & 3500
73 JKF30009 JACKET, OUTER LEFT AND RIGHT SIDE ALL
74 JKF60253 CONTROL PANEL COVER ALL
PLEASE HAVE MODEL AND SERIAL NUMBER AVAILABLE WHEN ORDERING PARTS
FB-RP Rev D
PILOT & BURNER ASSEMBLIES
MISCELLANEOUS
JACKET ASSEMBLIES
4 of 4
© -04/12 - Printed in U.S.A.
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