100270190_2000516945_Rev B
Replacement Parts List
PARTS & SERVICE DEPARTMENT
Nashville, Tennessee
615-889-8900 • Fax: 615-882-2918
parts_team@lochinvar.com
www.Lochinvar.com
42
48
47
50
KnightXL
®
AQUAS™ COMMERCIAL POOL PACKAGE
XP 402 - 802
4
53
43
39
45
27
51
46
40
49
52
41
GAS TRAIN 402
14
12
16
9
14
GAS TRAIN 502
12
15
16
9
17
GAS TRAIN 602-802
11
PRIMARY HEAT EXCHANGER
1
16
10
17
11
13
9
14
13
17
12
10
CONTROL
PANEL
2
35
8
36
33
34
25
21
20
6
7
37
38
26
19
18
22
29
27
28
32
SECONDARY/AUXILIARY HEAT EXCHANGER
100270190_2000516945_Rev B
2 of 4
23
31
30
DIR# 2000542610 00
24
24
5
3
44
24
IMG00950
ITEM NO. PART NO. DESCRIPTION MODEL
HEAT EXCHANGER ASSEMBLY
1 100147457 HEAT EXCHANGER XP 402
1 100147458 HEAT EXCHANGER XP 502
1 100147460 HEAT EXCHANGER XP 602
1 100147461 HEAT EXCHANGER XP 702
1 100147462 HEAT EXCHANGER XP 802
CONTROLS
2 100167579 LOW VOLTAGE CONNECTION BOARD ALL
3 100167830 INTEGRATED CONTROL XP 402
3 100167831 INTEGRATED CONTROL XP 502
3 100167832 INTEGRATED CONTROL XP 602 - 802
4 100167575 USER INTERFACE CONTROL ALL
5 100167683 RELAY BOARD, 1.5 HP PUMP ALL
6 100170596 INLET SENSOR ALL
7 100170537 OUTLET SENSOR/ HIGH LIMIT ALL
8 100167445 AIR VENT VALVE ALL
9 100145008 FAN ASSEMBL Y XP 402
9 100145009 FAN ASSEMBL Y XP 502
9 100144980 FAN ASSEMBL Y XP 602 - 802
10 100146541 BLOWER/AIR ARM GASKET XP 402
10 100146542 BLOWER/AIR ARM GASKET XP 502
11 100146458 BLOWER/AIR ARM GASKET XP 602 - 802
GAS VALVES
12 100172006 GAS VALVE ASSEMBLY XP 402
12 100172009 GAS VALVE ASSEMBLY NAT XPN502
12 100172014 GAS VALVE ASSEMBLY NAT XPN602
12 100171923 GAS VALVE ASSEMBLY NAT XPN702
12 100172015 GAS VALVE ASSEMBLY NAT XPN802
12 100171928 GAS VALVE ASSEMBLY LP XPL502
12 100171929 GAS VALVE ASSEMBLY LP XPL602
12 100171930 GAS VALVE ASSEMBLY LP XPL702
12 100171931 GAS VALVE ASSEMBLY LP XPL802
13 100146470 GAS VALVE GASKET XP 602 - 802
14 100146149 GAS CUT OFF VALVE 1X1 XP 402, 602-802
15 100146148 GAS CUT OFF VALVE 3/4 X 3/4 XP 502
16 100146547 GASKET, VENTURI XP 402
16 100146494 AIR SHROUD GASKET XP 502
16 100146469 GASKET, VENTURI XP 602 - 802
17 100163254 AIR INLET KIT XP 402
17 100163256 AIR INLET KIT XP 502
17 100163255 AIR INLET KIT XP 602 - 802
PILOT & BURNER ASSEMBLIES
18 100165930 FLAME SENSOR W/ GASKET XP 402 - 502
18 100165931 FLAME SENSOR W/ GASKET XP 602 - 802
19 100146550 GASKET, FLAME SENSOR ALL
20 100165929 IGNITOR W/ GASKET XP 402 - 502
20 100165920 IGNITOR W/ GASKET XP 602 - 802
21 100146549 GASKET, IGNITOR ALL
22 100135311 BURNER W/ GASKET XP 402 - 502
22 100135313 BURNER W/ GASKET XP 602
22 100135314 BURNER W/ GASKET XP 702
22 100135315 BURNER W/ GASKET XP 802
23 100146551 GASKET, BURNER XP 402 - 502
23 100146481 GASKET, BURNER XP 602 - 802
24 100173792 GAS/AIR ARM ASSEMBLY W/ GASKET XP 402
24 100173793 GAS/AIR ARM ASSEMBLY W/ GASKET XP 502
24 100173798 GAS/AIR ARM ASSEMBLY W/ GASKET XP 602 - 802
25 100173794 HEAT EXCHANGER ACCESS DOOR KIT XP 402 - 502
25 100173799 HEAT EXCHANGER ACCESS DOOR KIT XP 602 - 802
INDIRECT HEAT EXCHANGER
26 100094572 HEX DOOR TEMP SWITCH BEGINNING SERIAL # F14 ALL
27 100208919 KIT, HEAT EXCHANGER, INDIRECT, CUNI, 1.0, SVC XP 402 - 602
27 100208920 KIT, HEAT EXCHANGER, INDIRECT, CUNI, 1.5, SVC XP 702 - 802
27 100208922 KIT, HEAT EXCHANGER, INDIRECT, TI, 1.0, SVC XP 402 - 602
27 100208923 KIT, HEAT EXCHANGER, INDIRECT, TI, 1.5, SVC XP 702 - 802
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
100270190_2000516945_Rev B
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ITEM NO. PART NO. DESCRIPTION MODEL
INDIRECT HEAT EXCHANGER (CONTINUED)
28 100209139 KIT, END CAP FLANGE 3" XP 402 - 602
28 100209140 KIT, END CAP FLANGE 4" XP 702 - 802
29 100208989 KIT, O-RING, 139.7 X 5.33, END CAP XP 402 - 802
30 100232478 KIT, O-RING, 78.97 X 3.53, BOILER CONNECTION XP 402 - 802
31 100146441 GASKET, 3", EPDM XP 402 - 602
31 100146433 GASKET, 4", EPDM XP 702 - 802
32 100166553 FLANGE, 3", CPVC XP 402 - 602
32 100166550 FLANGE, 4", CPVC XP 702 - 802
MISCELLANEOUS
33 100163249 SIGHT GLASS ALL
34 100146553 GASKET, SIGHT GLASS ALL
35 100167708 RELAY, 1.5 HP PUMP ALL
36 100145494 DIVIDER PLATE, INSULATION BAFFLE ALL
37 100145495 BURNER PLATE, INSULATION, DOOR XP 402 - 502
37 100145476 BURNER PLATE, INSULATION, DOOR XP 602 - 802
38 100146555 GASKET, DOOR, RUBBER XP 402 - 502
38 100146482 GASKET, DOOR, RUBBER XP 602 - 802
39 100162908 DISPLAY BEZEL ALL
40 100134788 LEVELING LEGS ALL
41 100163244 CONDENSATE TRAP ALL
-
42 100169476 ON/OFF SWITCH ALL
43 100166100 PRESSURE SWITCH XP 402
43 100166114 PRESSURE SWITCH XP 502
43 100166113 PRESSURE SWITCH XP 602 - 802
44 100170172 TRANSFORMER, 40VA XP 402 - 702
44 100170173 TRANSFORMER, 60VA XP 802
45 100162600 KNOB, FLUTED W/ SKIRT ALL
46 100167399 RELIEF VALVE 30 PSI ALL
47 100146999 GAUGE TRIOMETER, 75# PSI ALL
48 100173714 FLOW SWITCH ALL
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
49 100166418 PUMP XP 402 - 502
49 100166416 PUMP XP 602 - 802
50 100149689 JACKET, TOP XP 402
50 100149690 JACKET, TOP XP 502
50 100149691 JACKET, TOP XP 602
50 100149692 JACKET, TOP XP 702
50 100267269 JACKET, TOP XP 802
51 100189058 JACKET, FRONT ALL
52 100149878 JACKET, LEFT SIDE XP 402
52 100149861 JACKET, LEFT SIDE XP 502
52 100149862 JACKET, LEFT SIDE XP 602
52 100149863 JACKET, LEFT SIDE XP 702
52 100149864 JACKET, LEFT SIDE XP 802
53 100150356 JACKET, RIGHT SIDE XP 402
53 100150359 JACKET, RIGHT SIDE XP 502
53 100150361 JACKET, RIGHT SIDE XP 602
53 100150362 JACKET, RIGHT SIDE XP 702
53 100150364 JACKET, RIGHT SIDE XP 802
100270190_2000516945_Rev B
100169481 BLOCKED DRAIN SWITCH ALL
100146010 FUSE, 0.8 AMP ALL
100146012 FUSE, 3.15 AMP ALL
100146013 FUSE, 5 AMP ALL
100163053 HIGH VOLTAGE CONNECTION BOARD ALL
100170642 FLUE TEMP SENSOR KIT ALL
100157718 SYSTEM SENSOR KIT ALL
100173646 MRLWCO WITH TEST ALL
100157721 NEUTRALIZER KIT XP 402 - 502
100157700 NEUTRALIZER KIT XP 602 - 802
100157719 ALARM BELL ALL
100159011 LP CONVERSION KIT XP 402
100159012 LP CONVERSION KIT XP 502 - 802
100170581 SYSTEM SENSOR ALL
100170590 BULBWELL 1/4" ALL
100148402 LIMIT, HEAT EXCHANGER OVER TEMP ALL
PUMP
JACKET ASSEMBL Y
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
4 of 4
©03/17-Printed in U.S.A.
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