A. O. Smith ECRS-50 Parts List
RESIDENTIAL WATER HEATER PARTS LIST
MODELS: ECRT/PCRT 40, 52, 66, 80
ECRS/PCRS 50
PROMAX WITH
HIGH EFFICIENCY
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway, Franklin, TN 37068
1-800-527-1953
www.hotwater.com
PRINTED IN U.S.A. 0106 PART NO. 185221-000
Item Description ECRT/PCRT 40 ECRT/PCRT 52 ECRT/PCRT 66 ECRT/PCRT 80 ECRS/PCRS 50
1 .... Access Panel .................................................................. 181260-000 .........181260-000......... 181260-000 ......... 181260-000 ......... 181260-000
2 .... Dip Tube ...........................................................................183900-052 ........ 183900-046 ........ 183900-052.........183900-052 ........ 183900-040
3 .... Dip Tube Seal...................................................................184011-000 ........ 184011-000 ........ 184011-000 ......... 184011-000 ........ 184011-000
4 .... Drain Valve ...................................................................... 026273-004 .........026273-004......... 026273-004 ......... 026273-004 ......... 026273-004
5 ....
Drain Valve Washer (17/32" x 13/64" x 1/8" Thick)***.................
6 .... Lower Element................................................................. 042285-025 ......... 042285-025......... 042285-025 ......... 042285-025 ......... 042285-025
7 .... Element Gasket ................................................................0005300370 ........ 0005300370 ........ 0005300370 ......... 0005300370 ........ 0005300370
8 .... Nipple w/Heat Traps * ...................................................... 184633-001 ........ 184715-001 ........ 184633-002......... 184715-001 ........ 184633-001
9 .... Primary Anode Rod (6 yr Alum.)...................................... 183523-029 ........ 183523-026 ........ 183523-033 ......... 183523-033 ........ 183523-026
9 .... Primary Anode Rod (10 yr Mag.) ..................................... 183463-050 ........ 183463-032 ........ 183463-039......... 183463-050 ........ 183463-032
10 .. T&P Relief Valve .............................................................. 043151-004 .........043151-004......... 043151-004 ......... 043151-004 ......... 043151-004
11 .. Terminal Cover w/High Limit............................................. 182117-001 .........182117-001......... 182360-000 ......... 182360-000 ......... 182360-000
12 .. Thermostat Bracket ......................................................... 184608-000 .........184608-000......... 184608-000 ......... 184608-000 ......... 184608-000
13 .. Upper Thermostat w/High Limit ........................................182354-000 ........ 182354-000 ........ 182354-000 ......... 182354-000 ........ 182354-000
14 .. Upper Element ..................................................................042286-021 ........ 042286-021 ........ 042286-021......... 042286-021 ........ 024286-021
N/A...................... N/A ...................... N/A ..................... N/A...................... N/A
15 .. Terminal Cover ................................................................. 182360-000 ........ 182360-000 ........ 182117-001......... 182117-001 ........ 182117-001
16 .. Lower Thermostat ........................................................... 182359-000 .........182359-000......... 182359-000 ......... 182359-000 ......... 182359-000
17 .. T&P Insulation * ................................................................ 183256-000 .........183256-000......... 183256-000 ......... 183256-000 ......... 183256-000
18 .. Pipe Insulation *................................................................ 181639-003 ......... 181639-003......... 181639-003 ......... 181639-003 ......... 181639-003
19 .. Junction Box Bracket w/CDT Hole ................................. 184659-000 ......... 184659-000 ......... 184659-000 ......... 184659-000 .........184659-000
20 .. Junction Box Cover ......................................................... 184660-000 ........ 184660-000 ........ 184660-000 ......... 184660-000 ........ 184660-000
21 .. Secondary Anode Outlet w/Heat Trap * ................................ N/A...................... N/A ......................N/A ..................... N/A ...................... N/A
22 .. 20" Dia. Plastic Drain Pan w/Side Drain* ......................... 9002842 ............. 9002842............. 9002842 ............. 9002842 .............9002842
22" Dia. Plastic Drain Pan w/Side Drain* ......................... 9002843 ............. 9002843............. 9002843 ............. 9002843 .............9002843
24" Dia. Plastic Drain Pan w/Side Drain* ......................... 9002844 ............. 9002844............. 9002844 ............. 9002844 .............9002844
26" Dia. Plastic Drain Pan w/Side Drain* ......................... 9002845 ............. 9002845............. 9002845 ............. 9002845 .............9002845
23 .. Instruction Manual ** ........................................................ 184639-000 ......... 184639-000......... 184639-000 ......... 184639-000 ......... 184639-000
* If Applicable.
** Not Illustrated
*** Available at most hardware stores
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway, Franklin, TN 37068
1-800-527-1953
www.hotwater.com
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