A.O. Smith T-D2-OS User Manual

T-D2-IN / T-D2-OS Service Manual
Ver. 1.00
8
CONFIDENTIAL
4. List of main components in the interior view
No.
Description
Items# in
components
diagram
Takagi
Part #
Common parts
for other models
1 Case assembly 001
EK402 (T-D2-IN)
EKK41 (T-D2-OS) T-K3OS
2
Manifold assembly with
gas valve assembly
102
EKH6T (LP model)
T-H2-DV/OS
EKK5K (NA model)
3 Computer board 701 EK439
4 Igniter 711 EKN74
T-K3, T-K3-Pro, T-K3-SP/OS,
T-H2-DV/OS , T-KJr2-IN/OS,
T-K4-IN/OS, T-M50, T-M32
5 Transformer 702 EKH09 T-K3, T-K3-Pro, T-K3-SP/OS,
6 Water inlet 404 EKK1U
T-K3, T-K3-Pro, T-K3-SP/OS,
T-KJr2-IN/OS, T-K4-IN/OS
7 Water outlet 409 EKK1V
T-K3, T-K3-Pro, T-K3-SP/OS,
T-KJr2-IN/OS, T-K4-IN/OS
8 Inlet thermistor 407 EKK38
T-K3, T-K3-Pro, T-H2-DV/OS ,
T-M50, T-M32
9 Mixing thermistor 408 EKK1A T-K3, Pro, T-M50
10
Overheat cut-off fuse 413 EK333
T-K3, T-K3-Pro, T-K3-SP/OS,
T-KJr2-IN/OS, T-K4-IN/OS,
T-M50
11
Burner assembly
(Burners)
101 EKH5W T-H2-DV/OS
12
Hi-limit switch 412 EKN34
T-K3, T-K3-Pro, T-K3-SP/OS,
T-H2-DV/OS , T-M50, T-M32
13
Fan motor 103
EKK25 (T-D2-IN)
T-K3, T-K3-Pro, T-K3-SP,
T-H2-DV/OS , T-M50, T-M32
EKK54 (T-D2-OS) T-K3-OS, T-K4-OS
14
Freeze protection
thermostat
713 EKJ59 (T-D2-IN)
T-K3, T-K3-Pro, T-K3-SP,
T-M32
710 EKK40 (T-D2-OS) T-K3-OS, T-KJr2-OS, T-K4-OS

A.O. Smith T-D2-OS Specifications

General

Brand	A.O. Smith
Model	T-D2-OS
Category	Water Heater
Language	English