A.O. Smith T-KJr2-OS User Manual

110 Indoor / 110 Outdoor Service Manual
Ver. 1.01
8
CONFIDENTIA
L
4. List of main components in the interior view
No.
Description
Item# in
components
diagram
AOS
Part #
Common parts
for other models
1 Case assembly 001
319143-159
(110 Indoor)
319143-172
(110 Outdoor)
2
Manifold assembly with
gas valve assembly
102
319143-169 (LP model)
319143-165 (NA model)
3 Computer board 701 319143-164
4 Igniter 711 319143-052 520, 310, 510, 910, 710
5 Transformer 702 319143-182 310, 510
6 Water inlet 404 319143-193 310, 510
7 Water outlet 409 319143-194 310, 510
8 Inlet thermistor 407 319143-214 310
9 Outlet thermistor 408 319143-218 310
10
Overheat cut-off fuse 413 319143-149 310, 510, 910
11
Burner assembly (Burners)
101 319143-161
12
Hi-limit switch 412 319143-228 310
13
Fan motor 103 319143-347
14
Freeze protection
thermostat
713 319143-185 310, 510, 710
710 319143-210 310, 510
15
Flow sensor 402 319143-167 310
16
Heat exchanger assembly
401
319143-162
(110 Indoor)
319143-166
(110 Outdoor)
17
Gas inlet 118 319143-050 520, 310, 510
18
Heater 414 319143-200 310, 510
19
Flow adjustment valve 402 319143-167 310

A.O. Smith T-KJr2-OS Specifications

General

Brand	A.O. Smith
Model	T-KJr2-OS
Category	Water Heater
Language	English