Lochinvar FTX400, FTX500, FTX600, FTX725, FTX850 User Manual

FTXL-RP_100059360_2000005002_Rev E

Replacement Parts List

PARTS & SERVICE DEPARTMENT

Nashville, Tennessee
877-554-5544 • Fax: [phone]

[e-mail]
www.Lochinvar.com

36

FTXL

®

Heating Boilers

FTX400 - 850(N/L)

37

9

IMG01018

43

61

46

39

38

41

7

60

47

42

40

59

IMG01019

CONTROL PANEL

32

HEAT EXCHANGER

12

10

8

52

GAS TRAIN

(FTX400 - 500 N/L)

15

22

23

11

19

25

35

26

30

27

28

34

33

14

53

29

4

6

31

48

44

5

17

18

56

IMG01021

54

51

3

55

1

13

45

16

49

21

20

24

50

22

15

58

16

21

24

20

23

57

2

IMG01022

GAS TRAIN

(FTX600 - 850 N/L)

54

55

IMG01020

ITEM NO. PART NO. DESCRIPTION MODEL

HEAT EXCHANGER ASSEMBLY

1 100188998 HEAT EXCHANGER COMPLETE FTX400
1 100188999 HEAT EXCHANGER COMPLETE FTX500-600
1 100189000 HEAT EXCHANGER COMPLETE FTX725
1 100189001 HEAT EXCHANGER COMPLETE FTX850
2 100189002 HEAT EXCHANGER FLUE COLLECTOR FTX400-600
2 100189003 HEAT EXCHANGER FLUE COLLECTOR FTX725-850
3 100288873* FLUE / HEAT EXCHANGER GASKET FTX400-600
3 100288874* FLUE / HEAT EXCHANGER GASKET FTX725-850
4 100288875 BOLT, HEX ALL
5 100288876 NUT, HEX ALL
6 100288904 WASHER, HEX FTX 400-600
6 100288905 WASHER, HEX FTX725-850

PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS

*ITEMS DENOTE SUGGESTED INVENTORY PARTS

FTXL-RP_100059360_2000005002_Rev E

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ITEM NO. PART NO. DESCRIPTION MODEL

CONTROLS

7 100277838* LOW VOLTAGE CONNECTION BOARD ALL
8 100189280* INTEGRATED CONTROL BOARD FTX400
8 100189281* INTEGRATED CONTROL BOARD FTX500
8 100189282* INTEGRATED CONTROL BOARD FTX600
8 100189283* INTEGRATED CONTROL BOARD FTX725
8 100189284* INTEGRATED CONTROL BOARD FTX850
8 100189285 INTEGRATED CONTROL BOARD - HIGH ALTITUDE FTX400
8 100189286 INTEGRATED CONTROL BOARD - HIGH ALTITUDE FTX500
8 100189287 INTEGRATED CONTROL BOARD - HIGH ALTITUDE FTX600
8 100189288 INTEGRATED CONTROL BOARD - HIGH ALTITUDE FTX725
8 100189289 INTEGRATED CONTROL BOARD - HIGH ALTITUDE FTX850

9 100278134* USER INTERFACE CONTROL ALL
10 100208493* PUMP RELAY BOARD, 1.5 HP ALL
11 100208502* RELAY, 1.5 HP PUMP ALL
12 100208509* RELAY, 120VAC, 60HZ, 10.8 AMP ALL

13 100208549* INLET SENSOR ALL
14 100208544* OUTLET SENSOR/ HIGH LIMIT ALL
15 100188879 FAN ASSEMBL Y FTX400
15 100188878 FAN ASSEMBL Y FTX500
15 100188877 FAN ASSEMBL Y FTX600-850
16 100288877 GASKET, FAN FTX400-500
16 100288878 GASKET, FAN FTX600-850
17 100277798 MOMENTARY SWITCH, BLACK - 20 AMP, 125 VOLT ALL
18 100277797 MOMENTARY SWITCH, RED - 20 AMP, 125 VOLT ALL
19 100277771 MODBUS INTERFACE BOARD-MTR-01 ALL

GAS VALVES

20 100189393 GAS VALVE ASSEMBLY NAT & LP FTX400
20 100189392 GAS VALVE ASSEMBLY NAT & LP FTX500
20 100189391 GAS VALVE ASSEMBLY NAT FTX600
20 100189390 GAS VALVE ASSEMBLY NAT FTX725
20 100189389 GAS VALVE ASSEMBLY NAT FTX850
20 100189388 GAS VALVE ASSEMBLY LP FTX600
20 100189387 GAS VALVE ASSEMBLY LP FTX725
20 100189386 GAS VALVE ASSEMBLY LP FTX850
21 100277803 GAS CUT OFF VALVE 3/4" FTX500
21 100288546 GAS CUT OFF VALVE 1" FTX600-850
22 100208761* GASKET, VENTURI FTX400-500
22 100233694* GASKET, VENTURI FTX600-850
23 100278070 VENTURI ASSEMBLY - NATURAL FTX400-500
23 100288545 VENTURI ASSEMBLY - LP FTX400-500
23 100288547 VENTURI ASSEMBLY FTX600
23 100288879 VENTURI ASSEMBLY FTX725-850
24 100288880 GASKET, GAS VALVE FTX500
24 100288891 GASKET, GAS VALVE FTX600-850

PILOT & BURNER ASSEMBLIES

25 100165923* FLAME SENSOR W/ GASKET ALL
26 100233664 GASKET, FLAME SENSOR ALL
27 100165924* IGNITOR W/ GASKET ALL
28 100233662 GASKET, IGNITOR ALL
29 100188648 BURNER W/ GASKET FTX400
29 100188649 BURNER W/ GASKET FTX500-600
29 100188650 BURNER W/ GASKET FTX725-850
30 100288892* GASKET, BURNER FTX400-600
30 100288893* GASKET, BURNER FTX725-850
31 100189410 HEAT EXCHANGER DOOR ASSEMBLY FTX400-600
31 100189409 HEAT EXCHANGER DOOR ASSEMBLY FTX725-850
32 100189408 PLATE, FAN HEAT EXCHANGER ASSEMBLY FTX400-500
32 100189407 PLATE, FAN HEAT EXCHANGER ASSEMBLY FTX600
32 100189406 PLATE, FAN HEAT EXCHANGER ASSEMBLY FTX725-850

PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS

FTXL-RP_100059360_2000005002_Rev E

*ITEMS DENOTE SUGGESTED INVENTORY PARTS

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ITEM NO. PART NO. DESCRIPTION MODEL

MISCELLANEOUS

33 100189215 KIT, SIGHT GLASS W/ GASKETS ALL
34 100275564 GASKET, SIGHT GLASS - WHITE ALL
35 100189215 KIT, SIGHT GLASS W/ GASKETS ALL
36 100189217 DISPLAY BEZEL ASSEMBLY ALL
37 100278236 DISPLAY BEZEL ALL
38 100288909 BEZEL PROP ROD ALL
39 100288910 HINGE SPRING ALL
40 100277718 CONDENSATE TRAP (PRIOR TO SERIAL #1741) ALL
40 100284709 CONDENSATE TRAP (BEGINNING SERIAL #1741) ALL
41 100288163 HOSE, CONDENSATE ALL
42 100208246 TRANSFORMER, 24V, 60VA ALL
43 100277824 FLUTED KNOB W/ SKIRT ALL
44 100288908* HEAT EXCHANGER GASKET SET FTX400-600
44 100288921* HEAT EXCHANGER GASKET SET FTX725-850
45 100208561* SENSOR, FLUE TEMP ALL
46 100288894 TOP INSULATION FTX400-500
46 100288894 TOP INSULATION FTX600
46 100288895 TOP INSULATION FTX725-850
47 100288897 BLANKET INSULATION FTX400-600
47 100288898 BLANKET INSULATION FTX725-850
48 100288927 BURNER FIBERBOARD FTX400-600
48 100288928 BURNER FIBERBOARD FTX725-850
49 100278091 UNION ADAPTER FTX400-500
50 100288899 1" DONUT GASKET FTX400-500
51 100309672 PROBE, LOW WATER CUT-OFF ALL
52 100276822* LOW WATER CUT-OFF - AUTO / MANUAL RESET ALL
53 100167445 AIR VENT VALVE ALL
54 100189214 AIR INLET KIT FTX400-500
54 100189213 AIR INLET KIT FTX600-850
55 100288558 COUPLING, AIR INLET, 3" X 4" ALL
56 100275561 AIR INLET COUPLING, 2" X 3", W/ CLAMPS FTX400-500
57 100208089 GASKET, FAN / VENTURI FTX600-850
58 100208105 GASKET, GAS VALVE / VENTURI FTX600-850

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59 100189062 JACKET, OUTER FRONT ALL
60 100189063 JACKET, OUTER RIGHT ALL
61 100189064 JACKET, OUTER LEFT ALL

100208242 ON / OFF SWITCH W/ I-O SYMBOL ALL
100208454 RELIEF VALVE, 3/4", 50 PSI FTX400-600
100208442 PRESSURE RELIEF VALVE, 3/4", 50 PSI FTX725-850
100208834 OUTDOOR AIR SENSOR ALL
100208152 GAUGE TRIOMETER, 75 PSI ALL
100208552 SENSOR, SYSTEM / INLET ALL
100208308 DOOR CATCH, BLUE ALL
100208818 DOOR STRIKE ALL
100277748 WIRE HARNESS, UNIT ALL
100288900 WIRE HARNESS, POWER ALL
100278061 WIRE HARNESS,FLAME SENSOR ELECTRODE ALL
100208620 WIRE HARNESS, SPARK ELECTRODE ALL
100288901 RIBBON CABLE ALL
100288902 WIRE HARNESS, GAS VALVE FTX400-500
100288903 WIRE HARNESS, GAS VALVE FTX600-850
100170645 SYSTEM SENSOR KIT W/ BULBWELL ALL
100189160 INSTALLATION KIT FTX400-600
100189161 INSTALLATION KIT FTX725-850
100189174 LP CONVERSION KIT FTX400-500
100189175 LP CONVERSION KIT FTX600-850
100289529 USER INTERFACE OVERLAY LABEL ALL

JACKET ASSEMBL Y

PLEASE HAVE MODEL AND SERIAL NUMBER WHEN ORDERING PARTS

*ITEMS DENOTE SUGGESTED INVENTORY PARTS

FTXL-RP_100059360_2000005002_Rev E

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© 10/18 - Printed in U.S.A.