Lochinvar OK400, OK501, OK601, OK701, OK801 User Manual
OKBX-RP_100161609_2000015637_Rev F
Replacement Parts List
PARTS & SERVICE DEPARTMENT
Nashville, Tennessee
615-889-8900 • Fax: 615-882-2918
parts_team@lochinvar.com
www.Lochinvar.com
45
Outdoor Knight XL
Heating Boilers
OK 400 thru 801
46
51
43
44
53
49
52
39
53
38
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 OK 400
1 100147458 HEAT EXCHANGER OK 501
1 100147460 HEAT EXCHANGER OK 601
1 100147461 HEAT EXCHANGER OK 701
1 100147462 HEAT EXCHANGER OK 801
CONTROLS
2 100208459 LOW VOLTAGE CONNECTION BOARD ALL
3 100167823 INTEGRATED CONTROL OK 400
3 100167794 INTEGRATED CONTROL OK 501
3 100167825 INTEGRATED CONTROL OK 601 - 801
4 100208458 USER INTERFACE CONTROL ALL
- 100158022 USER INTERFACE OVERLAY ALL
5 100208493 RELAY BOARD, 1.5 HP PUMP ALL
6 100208549 INLET SENSOR ALL
7 100208544 OUTLET SENSOR/ HIGH LIMIT ALL
PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS
OKBX-RP_100161609_2000015637_Rev F
2 of 4
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