Lochinvar OKN400, OKN501, OKN601, OKN701, OKN801 User Manual
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OKBX-RP_100161609_2000015637_Rev G
Replacement Parts List
PARTS & SERVICE DEPARTMENT
Nashville, Tennessee
877-554-5544 • Fax: 615-547-1000
parts_team@lochinvar.com
www.Lochinvar.com
45
Outdoor Knight XL
Heating Boilers
OK 400 thru 801
46
51
43
44
53
49
52
40
53
39
34
IMG00434
50
4
35
38
48
41
42
47
33
36
IMG00435
GAS TRAIN 400
14
12
9
16
GAS TRAIN 501
GAS TRAIN 601-801
11
HEAT EXCHANGER 400-801
1
17
10
IMG00429
14
12
15
17
16
10
9
IMG00430
17
16
9
12
13
14
14
IMG00431
CONTROL
PANEL
29
2
8
30
27
28
6
7
31
32
26
25
21
20
19
18
22
23
24
24
5
3
37
24
IMG00949
ITEM NO. PART NO. DESCRIPTION MODEL
HEAT EXCHANGER ASSEMBLY
1 100147457 HEAT EXCHANGER - ASME - H STAMP 399 MBH OK 400
1 100147458 HEAT EXCHANGER - ASME - H STAMP 500 MBH OK 501
1 100147460 HEAT EXCHANGER - ASME - H STAMP 600 MBH OK 601
1 100147461 HEAT EXCHANGER - ASME - H STAMP 700 MBH OK 701
1 100147462 HEAT EXCHANGER - ASME - H STAMP 800 MBH OK 801
CONTROLS
2 100208459* LOW VOLTAGE CONNECTION BOARD ALL
3 100167823* INTEGRATED CONTROL BOARD, BEGINNING SERIAL H10 OK 400
3 100167794* INTEGRATED CONTROL BOARD, PRIOR TO H10 OK 501
3 100167825* INTEGRATED CONTROL BOARD, BEGINNING SERIAL H10 OK 601 - 801
4 100208458* USER INTERFACE CONTROL ALL
- 100289522 OVERLAY LABEL, USER INTERFACE ALL
5 100208493* PUMP RELAY BOARD, 1.5 HP ALL
6 100208549* INLET SENSOR ALL
7 100208544* OUTLET SENSOR ALL
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
*ITEMS DENOTE SUGGESTED INVENTORY PARTS
OKBX-RP_100161609_2000015637_Rev G
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