T-H2-DV/T-H2-OS Service Manual
Ver. 1.01
8
CONFIDENTIAL
4. List of main components in the interior view
No.
Description
Item# in
components
diagram
Takagi
Part #
Common parts
For other models
1
Manifold assembly with gas
valve assembly
118
EKH6T (LP model)
T-K4-IN/OS, T-D2-IN/OS
EKH6U (NA model)
2
Computer board
701
EKH4E
3
Igniter
123
EKN74
T-K3, T-K3-Pro, T-K3-SP/OS,
T-KJr2-IN/OS, T-K4-IN/OS,
T-D2-IN/OS, T-M50, T-M32
4
Transformer
702
EM296
T-M50
5
Water inlet
411
EM404
T-M32
6
Water outlet
435
EKJ02
T-M32
7
Mixing thermistor
418
EX00H
T-M32
8
Inlet thermistor
422
EKK38
T-K3, T-K3-Pro, T-D2-IN/OS,
T-M50, T-M32
9
Output thermistor
433
EKK2T
T-K3, T-K3-Pro, T-D2-IN/OS,
T-M50, T-M32
10
Overheat cut-off fuse
404
EX02A
11
Burner assembly (Burners)
101
EKH5W
T-K4-IN/OS, T-D2-IN/OS
12
Hi-limit switch
432
EKN34
T-K3, T-K3-Pro, T-K3-SP/OS,
T-D2-IN/OS, T-M50, T-M32
13
Fan motor
114
EKK25
T-K3, T-K3-Pro, T-K3-SP,
T-K4-IN, T-D2-IN, T-M50,
T-M32
14
Freeze protection
thermostat
704
EKH79 (T-H2-DV)
719
EKH7A (T-H2-OS)
15
Flow sensor
429
EKH33
T-M50, T-M32
16
Primary heat exchanger
assembly
401
EKH5P (T-H2-DV)
456
EKH63 (T-H2-OS)