A.O. Smith T-D2-OS - Page 9

T-D2-IN / T-D2-OS Service Manual
Ver. 1.00
9
CONFIDENTIAL
No.
Description
Items# in
components
diagram
Takagi
Part #
Common parts
for other models
15
Flow sensor 402 EK438
16
Heat exchanger assembly
401
TU002 (T-D2-IN)
EK437 (T-D2-OS)
17
Gas inlet 118 EKK1E
T-K3, T-K3-Pro, T-K3-SP/OS,
T-KJr2-IN/OS, T-K4-IN/OS,
T-H2-DV/OS
18
Heater 414 EKK2R
T-K3, T-K3-Pro, T-K3-SP/OS,
T-KJr2-IN/OS, T-K4-IN/OS
19
Flow adjustment valve 402 EK438
20
Surge box 703 EK428 T-KJr2-IN/OS, T-K4-IN/OS
21
Outlet drain plug 410 EKK2E
T-K3, T-K3-Pro, T-K3-SP/OS,
T-KJr2-IN/OS, T-K4-IN/OS,
T
-
M50
22
Air-fuel ratio rod
(AFR rod)
108 EKK0E
T-K3, T-K3-Pro, T-K3-SP/OS,
T-H2-DV/OS, T-M50, T-M32
23
Flame rod 108 EKK0E
T-K3, T-K3-Pro, T-K3-SP/OS,
T-H2-DV/OS, T-M50, T-M32
24
Igniter rod 109 EKK0F
T-K3, T-K3-Pro, T-K3-SP/OS,
T-H2-DV/OS, T-M50, T-M32
25
Inlet drain plug (water
filter)
405 EKK2B
T-K3, T-K3-Pro, T-K3-SP/OS,
T-KJr2-IN/OS, T-K4-IN/OS
26
120 VAC Power ON-OFF
switch
706 EKK4V
T-K3-SP/OS, T-KJr2-IN/OS,
T-K4-IN/OS, T-H2-DV/OS
27
Gas valve assembly Included in #102
EKH6T (LP model)
T-H2-DV/OS
EKK5K (NA model)
28
Manifold port N/A N/A
29
Gas inlet port N/A N/A
30
Exhaust chamber Included in #401
TU002 (T-D2-IN) T-H2-DV/OS
EK437 (T-D2-OS)
31
Output thermistor
411 EKK2T
32
Bypass valve
403 EKK0U