A.O. Smith T-H2-DV User Manual

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)

A.O. Smith T-H2-DV Specifications

General

Brand	A.O. Smith
Model	T-H2-DV
Category	Water Heater
Language	English