Lochinvar NKC110, NKC150, NKC199, NKB080, NKB110 User Manual

100275093_2000534000_Rev L

Replacement Parts List

PARTS & SERVICE DEPARTMENT

Nashville, Tennessee
877-554-5544 • Fax: [phone]

[e-mail]
www.lochinvar.com

41

Noble Boiler & Combi

NKB 080 - 150 (N,L)
NKC 110 - 199 (N,L)

BOILER

21

37

36

40

43

32

42

35

44

DIR# 2000540743 00

38

39

8

HEAT EXCHANGER

24

22

25

26

23

30

29

The Heat Exchanger

**

Top Plate Assembly
includes item num­bers 12, 17, 23, 25,
26, 27, 28, 30, and

31.

27**

31

GAS TRAIN

11

19

18

21

DIR# 2000541110 00

28

12

13

15

1

17

16

20

14

DIR# 2000541137 00

BOILER CONTROLS

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COMBI

DIR# 200053

41

37

21

36

43

32

42

35 8

44

40

39

DIR# 2000534470 00

38

55

51

57

COMBI CONTROLS

53

DIR# 2000540433 00

52

3

56

2

9

48

4

5

6

10

7

49

6

54

53

52

45

47

50

DIR# 2000534776 00

4776

46

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ITEM NO. PART NO. DESCRIPTION MODEL

HEAT EXCHANGER ASSEMBLIES

1 100275478 HEAT EXCHANGER ASSEMBLY NKC 110
1 100275479 HEAT EXCHANGER ASSEMBLY NKC 150
1 100275480 HEAT EXCHANGER ASSEMBLY NKC 199
1 100284352 HEAT EXCHANGER ASSEMBLY NKB 080
1 100275478 HEAT EXCHANGER ASSEMBLY NKB 110
1 100275479 HEAT EXCHANGER ASSEMBLY NKB 150

CONTROLS

2 100275502* CONNECTION BOARD NKC 110 - 199
2 100284350* CONNECTION BOARD NKB 080 - 150
3 100275507* CONTROL BOARD, MAIN NKC 110
3 100275508* CONTROL BOARD, MAIN NKC 150
3 100275510* CONTROL BOARD, MAIN NKC 199
3 100275522 CONTROL BOARD, MAIN - HIGH ALTITUDE NKC 110
3 100275523 CONTROL BOARD, MAIN - HIGH ALTITUDE NKC 150
3 100275524 CONTROL BOARD, MAIN - HIGH ALTITUDE NKC 199
3 100284347* CONTROL BOARD, MAIN NKB 080
3 100284346* CONTROL BOARD, MAIN NKB 110
3 100284345* CONTROL BOARD, MAIN NKB 150
3 100284342 CONTROL BOARD, MAIN - HIGH ALTITUDE NKB 080
3 100284341 CONTROL BOARD, MAIN - HIGH ALTITUDE NKB 110
3 100284330 CONTROL BOARD, MAIN - HIGH ALTITUDE NKB 150
4 100275525 CONTROL BOARD, USER INTERFACE ALL
5 100275526 LABEL, CONTROL OVERLAY ALL
6 100208560* SENSOR, INLET / DHW ALL
7 100208547* SENSOR, OUTLET / HIGH LIMIT ALL
8 100275527* SENSOR, FLUE W/ GROMMET ALL

- 100157742 SENSOR, OUTDOOR AIR ALL

9 100275596* SWITCH, PRESSURE ALL

10 100208230 TRANSFORMER - 24V, 40VA ALL

GAS TRAIN

11 100266999* FAN ASSEMBLY W/ GASKET ALL
11 100275531* FAN ASSEMBLY W/ GASKET NKC 199
12 100208101* GASKET, FAN ALL
13 100275532 GAS VALVE ASSEMBLY W/ GASKET ALL
14 100275533 SWITCH, GAS VALVE - ON/OFF ALL
15 100275534 FLANGE, GAS VALVE W/ GASKET ALL
16 100276451 ADAPTER, GAS VALVE W/ GASKET NKB 080 - 110 / NKC 110
16 100275537 ADAPTER, GAS VALVE W/ GASKET NKB / NKC 150
16 100276430 ADAPTER, GAS VALVE W/ GASKET NKC 199
17 100275538 GASKET, GAS VALVE ADAPTER ALL
18 100275539 VENTURI, NAT. NKB 080 - 110 / NKC 110 N
18 100284322 VENTURI, NAT. NKB / NKC 150 N
18 100275540 VENTURI, NAT NKC 199 N
18 100284310 LP CONVERSION KIT NKB 080 L
18 100275546 LP CONVERSION KIT NKB / NKC 110 L
18 100275548 LP CONVERSION KIT (PRIOR TO SERIAL #1837) NKB / NKC 150 L
18 100275549 LP CONVERSION KIT NKC 199 L
19 100284309* GASKET, VENTURI O-RING NKB 080-150 / NKC 110-150
19 100208761* GASKET, VENTURI O-RING NKC 199
20 100275550 COUPLING, VENTURI W/ CLAMPS ALL
21 100275561 COUPLING, AIR INLET ALL

- 100309805 LP CONVERSION KIT (BEGINNING SERIAL #1837) NKC 150 L

PILOT AND BURNER ASSEMBLIES

22 100275562* KIT, IGNITOR W/ GASKET & SCREWS ALL
23 100208086 GASKET, IGNITOR ALL
24 100189215 KIT, SIGHT GLASS W/ GASKETS ALL
25 100275564 GASKET, SIGHT GLASS, WHITE ALL
26 100275566 GASKET, SIGHT GLASS, RED ALL
27 100284307** HEAT EXCHANGER TOP PLATE ASSEMBLY NKB 080

PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS

*ITEMS DENOTE SUGGESTED INVENTORY PARTS

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ITEM NO. PART NO. DESCRIPTION MODEL

PILOT AND BURNER ASSEMBLIES (CONTINUED)

27

27 100275568** HEAT EXCHANGER TOP PLATE ASSEMBLY NKB / NKC 150

27 100275569** HEAT EXCHANGER TOP PLATE ASSEMBLY NKC 199

28 100284305 GASKET, HEAT EXCHANGER TOP PLATE NKB 080

28

28

28

29 100284303* BURNER W/ GASKET NKB 080

29

29

29

30 100284302 GASKET, BURNER NKB 080

30

30

31 100284290

31

31

31

32 100275587 RELIEF VALVE, 50 PSI ALL NKC
32 100284289 RELIEF VALVE, 30 PSI ALL NKB

- 100274770* GAUGE, TRIOMETER - 75 PSI, 210°F ALL
33 100284288 WATER TUBE, INLET NKB 080 - 150
33 100275588 WATER TUBE, INLET - COMBI NKC 110 - 199
34 100284287 WATER TUBE, OUTLET NKB 080 - 150
34 100275589 WATER TUBE, OUTLET - COMBI NKC 110 - 199

- 100233625 GASKET, WATER TUBE ALL

- 100284286* CONDENSATE TRAP ASSEMBLY ALL
35 100275599 FLUE CONNECTION PIPE, 3" CPVC ALL
36 100275600 FLUE ADAPTER, 3" PVC W/ ANALYZER PORT ALL

- 100285280 GASKET, FLUE ADAPTER, 80 MM ALL

- 100284240 SHUTTER, AIR - LP NKB 080 L

- 100284239 SHUTTER, AIR - LP NKB / NKC 110 L

- 100284238 SHUTTER, AIR - LP (PRIOR TO SERIAL #1837) NKB / NKC 150 L

- 100309807 SHUTTER, AIR - LP (BEGINNING SERIAL #1837) NKB / NKC 150 L

- 100284236 HARNESS, UNIT NKB 080 - 150

- 100284237 SHUTTER, AIR (LP ONLY) NKC 199 L

- 100275616 HARNESS, MAIN UNIT NKC 110 - 199

- 100275604 HARNESS, POWER - COMBI NKC 110 - 199

- 100284235 HARNESS, POWER NKB 080 - 150

- 100284234 HARNESS, SPARK IGNITOR ALL

- 100275606 HARNESS, CONNECTION BOARD ALL

- 100312423 RIBBON CABLE ALL

- 100286124 AUTOMATIC AIR VENT ALL

- 100208651 LOW WATER CUT OFF, AUTO RESET ALL
37 100278305 COMBUSTION ANALYZER PORT COVER ALL

38 100275609 KIT, DISPLAY BEZEL W/ CLIPS ALL
39 100275610 KIT, BEZEL BRACKET W/ CONTROL OVERLAY LABEL NKB 080 - 150 / NKC 110
39 100275631 KIT, BEZEL BRACKET W/ CONTROL OVERLAY LABEL NKC 150 - 199
40 100284105 JACKET, OUTER FRONT DOOR ASSEMBLY ALL
40 100275637 JACKET, OUTER FRONT DOOR ASSEMBLY NKC 110
40 100275638 JACKET, OUTER FRONT DOOR ASSEMBLY NKC 150 - 199

- 100284114 JACKET, OUTER TOP FRONT NKB 080

- 100284113 JACKET, OUTER TOP FRONT NKB 110

- 100275632 JACKET, OUTER TOP FRONT NKC 110

100275567** HEAT EXCHANGER TOP PLATE ASSEMBLY NKB / NKC 110

100275572 GASKET, HEAT EXCHANGER TOP PLATE NKB / NKC 110

100275573 GASKET, HEAT EXCHANGER TOP PLATE NKB / NKC 150

100275575 GASKET, HEAT EXCHANGER TOP PLATE NKC 199

100275577* BURNER W/ GASKET NKB / NKC 110

100275578* BURNER W/ GASKET NKB / NKC 150

100275580* BURNER W/ GASKET NKC 199

100275582 GASKET, BURNER NKB / NKC 110

100275583 GASKET, BURNER NKB 150 / NKC 150 - 199

INSULATION, TOP PLATE NKB 080

100275584 INSULATION, TOP PLATE NKB / NKC 110

100275585 INSULATION, TOP PLATE NKB / NKC 150

100275586 INSULATION, TOP PLATE NKC 199

MISCELLANEOUS

JACKET ASSEMBLIES

PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS

*ITEMS DENOTE SUGGESTED INVENTORY PARTS

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ITEM NO. PART NO. DESCRIPTION MODEL

JACKET ASSEMBLIES (CONTINUED)

- 100284111 JACKET, OUTER TOP BACK NKB 080

- 100284110 JACKET, OUTER TOP BACK NKB 110
41 100284109 JACKET, OUTER TOP, LEFT NKB 150
41 100275633 JACKET, OUTER TOP - LEFT NKC 150 - 199
42 100284107 JACKET, OUTER TOP - RIGHT NKB 150
42 100275634 JACKET, OUTER TOP - RIGHT NKC 150
42 100275635 JACKET, OUTER TOP - RIGHT NKC 199
43 100284104 JACKET, OUTER LEFT SIDE NKB 080
43 100284103 JACKET, OUTER LEFT SIDE NKB 110 - 150
43 100275639 JACKET, OUTER LEFT SIDE NKC 110 - 199
44 100275640 JACKET, OUTER RIGHT SIDE NKC 110 - 199
44 100284102 JACKET, OUTER RIGHT SIDE NKB 080
44 100284101 JACKET, OUTER RIGHT SIDE NKB 110 - 150

COMBI WATERSET COMPONENTS

45 100275501 HEAT EXCHANGER ASSEMBLY, BRAZED PLATE NKC 110 - 199
46 100275528* SENSOR, FLOW NKC 110 - 199
47 100278304* SWITCH, FLOW W/ GREASE COMPOUND NKC 110 - 199

48 100275607* PUMP ASSEMBLY W/ GASKETS NKC 110 - 199

49 100275590 KIT, FLOW GROUP W/ GASKETS NKC 110 - 199
50 100275592 KIT, RETURN GROUP W/ GASKETS NKC 110 - 199
51 100275593 GASKET, HEX TO FLOW GROUP NKC 110 - 199
52 100275594 DIVERTER MOTOR W/ CLIP NKC 110 - 199
53 100276429 CLIP, DIVERTER MOTOR NKC 110 - 199

- 100275598 HOSE, CONDENSATE TRAP NKC 110 - 199

54 100276452 MOUNTING PLATE, WATERSET NKC 110 - 199
55 100278302 DIVERTER MOTOR ASSEMBLY NKC 110 - 199
56 100278303 BYPASS ASSEMBLY NKC 110 - 199
57 100278304 SWITCH, FLOW W/ GREASE COMPOUND (EXPLODED VIEW) NKC 110 - 199

100275093_2000534000 Rev L

PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS

*ITEMS DENOTE SUGGESTED INVENTORY PARTS

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Notes

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© 12/18--Printed in U.S.A.