KBXII-RP Rev F
Replacement Parts List
PARTS & SERVICE DEPARTMENT
Nashville, Tennessee
615-889-8900 • Fax: 615-882-2918
parts_team@lochinvar.com
www.Lochinvar.com
Knight XL
Heating Boilers
KB 400 thru 801
39
41
35
36
34
33
42
4
38
32
40
GAS TRAIN 400
14
12
16
9
14
GAS TRAIN 501
12
15
16
9
17
GAS TRAIN 601-801
11
HEAT EXCHANGER 400-801
1
8
29
6
7
30
31
16
10
17
11
13
9
14
13
17
12
10
CONTROL
PANEL
2
28
26
27
25
21
20
19
18
22
24
24
24
5
3
37
23
ITEM NO. PART NO. DESCRIPTION MODEL
HEAT EXCHANGER ASSEMBLY
1 HEX3081 HEAT EXCHANGER KBN400
1 HEX3082 HEAT EXCHANGER KBN501
1 HEX3088 HEAT EXCHANGER KBN601
1 HEX3089 HEAT EXCHANGER KBN701
1 HEX3090 HEAT EXCHANGER KBN801
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
KBXII-RP Rev F
2 of 4
ITEM NO. PART NO. DESCRIPTION MODEL
CONTROLS
2 RLY20062 LOW VOLTAGE CONNECTION BOARD ALL
3 RLY30037 INTEGRATED CONTROL PRIOR TO H10 KBN400
3 RLY30065 INTEGRATED CONTROL BEGINNING H10 KBN400
3 RLY30038 INTEGRATED CONTROL PRIOR TO H10 KBN501
3 RLY30066 INTEGRATED CONTROL BEGINNING H10 KBN501
3 RLY30039 INTEGRATED CONTROL PRIOR TO H10 KBN601 - 801
3 RLY30067 INTEGRATED CONTROL BEGINNING H10 KBN601 - 801
3 RLY30040 HIGH ALTITUDE INTEGRATED CONTROL PRIOR TO H10 KBN400
3 RLY30068 HIGH ALTITUDE INTEGRATED CONTROL BEGINNING H10 KBN400
3 RLY30041 HIGH ALTITUDE INTEGRATED CONTROL PRIOR TO H10 KBN501
3 RLY30069 HIGH ALTITUDE INTEGRATED CONTROL BEGINNING H10 KBN501
3 RLY30042 HIGH ALTITUDE INTEGRATED CONTROL PRIOR TO H10 KBN601 - 801
3 RLY30070 HIGH ALTITUDE INTEGRATED CONTROL BEGINNING H10 KBN601 - 801
4 RLY20058 USER INTERFACE CONTROL ALL
5 RLY2085 RELAY BOARD, 1.5 HP PUMP ALL
6 TST2060 INLET SENSOR ALL
7 TST20009 OUTLET SENSOR/ HIGH LIMIT ALL
8 RLV30000 AIR VENT VALVE ALL
9 FAN3035 F AN ASSEMBL Y KBN400
9 FAN3037 F AN ASSEMBL Y KBN501
9 FAN30001 FAN ASSEMBLY KBN601 - 801
10 GKT2436 BLOWER/AIR ARM GASKET KBN400
10 GKT2438 BLOWER/AIR ARM GASKET KBN501
11 GKT2034 BLOWER/AIR ARM GASKET KBN501-801
GAS VALVES
12 VAL3204 GAS VALVE ASSEMBLY KBN400
12 VAL3207 GAS VALVE ASSEMBLY NAT KBN501
12 VAL3212 GAS VALVE ASSEMBLY NAT KBN601
12 VAL30006 GAS VALVE ASSEMBLY NAT KBN701
12 VAL3213 GAS VALVE ASSEMBLY NAT KBN801
12 VAL30011 GAS VALVE ASSEMBLY LP KBL501
12 VAL30012 GAS VALVE ASSEMBLY LP KBL601
12 VAL30013 GAS VALVE ASSEMBLY LP KBL701
12 VAL30014 GAS VALVE ASSEMBLY LP KBL801
13 GKT2050 GAS VALVE GASKET KBN601 - 801
14 GAC2029 GAS CUT OFF VALVE 1X1 ALL
15 GAC2028 GAS CUT OFF VALVE 3/4 X 3/4 KBN501
16 GKT2444 GASKET, VENTURI KBN400
16 GKT2080 AIR SHROUD GASKET KBN501
16 GKT2049 GASKET, VENTURI KBN601 - 801
17 MSC3185 AIR INLET KIT KBN400
17 MSC3187 AIR INLET KIT KBN501
17 MSC3186 AIR INLET KIT KBN601-801
PILOT & BURNER ASSEMBLIES
18 PLT3022 FLAME SENSOR W/ GASKET KBN400/501
18 PLT3023 FLAME SENSOR W/ GASKET KBN601 - 801
19 GKT2450 GASKET, FLAME SENSOR ALL
20 PLT3021 IGNITER W/ GASKET KBN400/501
20 PLT30000 IGNITER W/ GASKET KBN601 - 801
21 GKT2449 GASKET, IGNITOR ALL
22 BNR3429 BURNER W/ GASKET KBN400/501
22 BNR3432 BURNER W/ GASKET KBN601
22 BNR3433 BURNER W/ GASKET KBN701
22 BNR3434 BURNER W/ GASKET KBN801
23 GKT2451 GASKET, BURNER KBN400/501
23 GKT2062 GASKET, BURNER KBN601 - 801
24 WTR3078 GAS/AIR ARM ASSEMBLY W/ GASKET KBN400
24 WTR3079 GAS/AIR ARM ASSEMBLY W/ GASKET KBN501
24 WTR3085 GAS/AIR ARM ASSEMBLY W/ GASKET KBN601 - 801
25 WTR3080 HEAT EXCHANGER ACCESS DOOR KIT KBN400/501
25 WTR3086 HEAT EXCHANGER ACCESS DOOR KIT KBN601 - 801
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
3 of 4KBXII-RP Rev F
ITEM NO. PART NO. DESCRIPTION MODEL
MISCELLANEOUS
26 MSC3180 SIGHT GLASS ALL
27 GKT2453 GASKET, SIGHT GLASS ALL
28 RLY2222 RELAY, 1.5 HP PUMP ALL
29 FIB2167 DIVIDER PLATE, INSULATION BAFFLE ALL
30 FIB2168 BURNER PLATE, INSULATION, DOOR KBN400/501
30 FIB2146 BURNER PLATE, INSULATION, DOOR KBN601 - 801
31 GKT2455 GASKET DOOR RUBBER KBN400/501
31 GKT2063 GASKET DOOR RUBBER KBN601 - 801
32 MSC2177 DISPLAY BEZEL ALL
33 BLT2104 LEVELING LEGS ALL
34 MSC20063 CONDENSATE TRAP ALL
SWT2011 BLOCKED DRAIN SWITCH ALL
35 SWT2006 ON/OFF SWITCH ALL
36 PRS20002 PRESSURE SWITCH KBN400
36 PRS20020 PRESSURE SWITCH KBN501
36 PRS20019 PRESSURE SWITCH KBN601-801
37 TRF20000 TRANSFORMER, 40VA KBN400 - 701
37 TRF20002 TRANSFORMER, 60VA KBN801
38 MSC20123 KNOB, FLUTED W / SKIRT ALL
RLV2084 RELIEF VALVE 50 PSI KBN400-601
RLV2001 RELIEF VALVE 50 PSI KBN701/801
FUS20001 0.8 AMP ALL
FUS2001 3.15 AMP ALL
FUS2002 5 AMP ALL
WTR2040 FLOW SWITCH ALL
MSC2514 HIGH VOLTAGE CONNECTION BOARD ALL
TST2311 OUTDOOR AIR SENSOR ALL
GTP2900 GAUGE TRIOMETER, 75# PSI ALL
TST30011 FLUE TEMP SENSOR KIT ALL
KIT3078 SYSTEM SENSOR ALL
KIT3086 AMRHL ALL
WTR20009 MRLWCO WITH TEST ALL
KIT3087 NEUTRALIZER KIT KBN400/501
KIT3046 NEUTRALIZER KIT KBN601-801
KIT3085 ALARM BELL ALL
LPK3949 LP CONVERSION KIT KBN400
LPK3950 LP CONVERSION KIT (AFTER SERIAL J07 FOR KBN500) KBN501-801
TST2032 SYSTEM SENSOR ALL
TST2044 BULBWELL 1/4" ALL
HLC30000 LIMIT, HEAT EXCHANGER OVER TEMP ALL
JACKET ASSEMBL Y
39 JKB40043 JACKET, TOP KBN400
39 JKB30015 JACKET, TOP KBN501
39 JKB40045 JACKET, TOP KBN601
39 JKB40046 JACKET, TOP KBN701
39 JKB40030 JACKET, TOP KBN801
40 JKB30014 JACKET, FRONT ALL
41 JKB40096 JACKET, LEFT SIDE KBN400
41 JKB40083 JACKET, LEFT SIDE KBN501
41 JKB40082 JACKET, LEFT SIDE KBN601
41 JKB40081 JACKET, LEFT SIDE KBN701
41 JKB40080 JACKET, LEFT SIDE KBN801
42 JKB60192 JACKET, RIGHT SIDE KBN400
42 JKB60194 JACKET, RIGHT SIDE KBN501
42 JKB60196 JACKET, RIGHT SIDE KBN601
42 JKB60198 JACKET, RIGHT SIDE KBN701
42 JKB60199 JACKET, RIGHT SIDE KBN801
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
KBXII-RP Rev F
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©08/11-Printed in U.S.A.
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