LAARS LT199NXX1/LT199PXX1 Parts List and Exploded View

LAARS LT199NXX1/LT199PXX1 Parts List and Exploded View

Commonly Ordered Parts and Parts Number

CASING PARTS

No.

Description

Part Number

1

Exhaust Vent Duct Assembly

ST1224

1-1

Exhaust Vent Cap Assembly

ST1225

1-2

Exhaust and Intake Packing

ST1190

O-75

O-Ring P75 (10 pcs.)

ST1244

O-7

O-Ring P7 (10 pcs.)

ST1242

2

Intake Inlet Duct Assembly

ST1226

3

Air Intake Filter Assembly

ST1227

4

Ignition Transformer

ST1006

5

Air Pressure Switch

ST1144

6

Overheat Switch 15°C (with Bracket)

ST1008

7

Control display RTGS & LT Standard (PR-922C)

ST1140

8

Main Power Switch

ST1019

9

On-Demand Terminal Block

ST1143

10

Bracket for control display

ST1093

11

Front Cover Assembly

ST1099

12

PPS Bracket_1

ST1168

13

PPS Bracket_2

ST1169

14

Printed Circuit Board

ST1139

15

PCB Bracket

ST1163

16

Wiring Through Way Packing

ST1189

17

Water Leak Detector

ST1146

18

Gas Inlet Nipple

ST1007

19

Siphon Assembly

ST1101

20

Water Inlet Filter

ST1024

20-1

Water Inlet Filter

ST1024

20-2

Cald Water Temperature Sensor Assembly

ST1229

21

Flow Control Valve Assembly

ST1105

22

DHW Supply Pipe Assembly

ST1100

22-1

DHW Temperature Sensor Assembly

ST1228

O-10

O-Ring (P10A)

ST1192

C-2

Star CLIP (Small)

ST1054

O-16

O-Ring (P16)

ST1194

Casing Assembly Exploded View
FITTING PARTS

No.

Description

Part Number

23

Hot Water Outlet Block Assembly

ST1106

23-1

Hot Water Temperature Sensor Assembly

ST1230

23-2

Block Packing

ST1218

24

Hot Water Outlet Pipe 1 Assembly (Standard)

ST1125

24-1

Overheat Switch 95°C Assembly

ST1231

24-2

Overheat Switch Bracket

ST1167

24-3

Ceramic Heater

ST1056

24-4

Ceramic Heater Bracket

ST1164

25

Hot Water Outlet Block (blockage) Assembly

ST1126

26

T-Block Assembly

ST1127

27

Hot Water Outlet Pipe 2 Assembly (Standard)

ST1128

28

Water Mixing Valve Assembly

ST1232

29

Mixing Pipe Assembly

ST1129

30

Cold Water Inlet Block Assembly

ST1130

31

Cold Water Inlet Pipe Assembly

ST1131

C-1

Star CLIP (Large)

ST1116

C-2

Star CLIP (Small)

ST1054

O-15

O-Ring (P15)

ST1193

O-16

O-Ring (P16)

ST1194

O-18

O-Ring (P18)

ST1195

Fitting Parts Exploded View
FAN & HEAT EXCHANGER PARTS

No.

Description

Part Number

32

Heat Exchanger Assembly

ST1202

33

Exhaust Pipe Upper

ST1134

33-1

Exhaust Temperature Sensor

ST1031

34

Exhaust Packing (5 pcs.)

ST1248

35

Burner Assembly

ST1119

35-1

Ignition Rod Assembly

ST1204

35-2

Burner High Limit Switch Assembly

ST1234

35-3

Burner Gasket

ST1199

36

Burner Head Packing

ST1191

37

Burner Head Bracket

ST1136

38

Blower Assembly

ST1120

39

Mixer Assembly Kit NG

ST1147

39

Mixer Assembly Kit LP

ST1148

40

AGM Cover Assembly

ST1205

41

ASM (Actuator)

ST1255

42

Silencer Elbow Assembly

ST1235

43

Silencer Body Assembly

ST1236

44

Gas Pipe (upper) Assembly

ST1121

44-1

Gas Mixer Packing

ST1188

44-2

15A Packing (Green) 10 pcs

ST1247

45

Gas Valve Assembly

ST1122

46

Gas Pipe (lower) Assembly Standard

ST1132

46-1

15A Packing

FT1645

47

Ignition Rod Gasket

ST1198

48

Flame Observation Assembly

ST1095

49

Flame Detector Sensor Assembly

ST1096

50

Flame Detector Sensor Cover

ST1165

51

Flame Detector Sensor Bracket

ST1187

52

Flame Detector Sensor

FT1327

53

Burner Bracket (Left)

ST1137

54

Burner Bracket (Right)

ST1138

55

HEX Connection Pipe Assembly

ST1254

C-2

Star CLIP (Small)

ST1054

O-18

O-Ring (P18)

ST1195

O-22

O-Ring P22 10pcs

ST1245

Fan and Heat Exchanger Exploded View


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