Replacement Parts List

ITEM NO. PART NO. DESCRIPTION MODEL
HEAT EXCHANGER ASSEMBLIES
1 100275478 HEAT EXCHANGER ASSEMBLY NKB / NKC 110
1 100275479 HEAT EXCHANGER ASSEMBLY NKB / NKC 150
1 100275480 HEAT EXCHANGER ASSEMBLY NKB / NKC 199
1 100284352 HEAT EXCHANGER ASSEMBLY NKB 080
CONTROLS
2 100275502* CONNECTION BOARD NKC 110 - 199
2 100284350* CONNECTION BOARD NKB 080 - 199
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 N
3 100339969 CONTROL BOARD, MAIN NKB 080 L
3 100284346* CONTROL BOARD, MAIN NKB 110
3 100284345* CONTROL BOARD, MAIN NKB 150
3 100284344* CONTROL BOARD, MAIN NKB 199
3 100284342 CONTROL BOARD, MAIN - HIGH ALTITUDE NKB 080 N
3 100339970 CONTROL BOARD, MAIN - HIGH ALTITUDE NKB 080 L
3 100284341 CONTROL BOARD, MAIN - HIGH ALTITUDE NKB 110
3 100284330 CONTROL BOARD, MAIN - HIGH ALTITUDE NKB 150
3 100284328 CONTROL BOARD, MAIN - HIGH ALTITUDE NKB 199
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
- 100208834 SENSOR, OUTDOOR AIR ALL
9 100275596* SWITCH, PRESSURE ALL
10 100208230 TRANSFORMER - 24V, 40VA ALL
GAS TRAIN
11 100266999* FAN ASSEMBLY W/ GASKET NKB 080-150 / NKC 110-150
11 100318771* FAN ASSEMBLY W/ GASKET NKB / 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 NKB / 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 NKB / NKC 199 N
18 100339889 LP CONVERSION KIT NKB 080 L
18 100339957 LP CONVERSION KIT - HIGH ALTITUDE 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 NKB / NKC 199 L
19 100284309* GASKET, VENTURI O-RING NKB 080-150 / NKC 110-150
19 100208761* GASKET, VENTURI O-RING NKB / 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
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
*ITEMS DENOTE SUGGESTED INVENTORY PARTS
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