A. O. Smith ESTT-30 Parts List
RESIDENTIAL WATER HEATER PARTS LIST
MODELS: ESTT 30/40
917/918 SERIES
A.O. Smith Water Heater Parts Fulfillment
125 Southeast Parkway, Franklin, TN 37068
1-800-433-2545
www.hotwater.com
PRINTED IN U.S.A. 0406 PART NO. 185233-001
Item Description ESTT 30 ESTT 40
1..........Access Panel ........................................................................................... 4303171 .........................................4303171
2..........Dip Tube ................................................................................................183900-024.................................... 183900-024
3..........Dip Tube Seal ........................................................................................184011-000.................................... 184011-000
4..........Drain Valve ............................................................................................ 042037-000.................................... 042037-000
5..........Drain Valve Washer (17/32"x 13/64"x 1/8" Thick)*** .................................... N/A ................................................. N/A
6..........Lower Element ...................................................................................... 042286-023.................................... 042286-022
6..........Upper Element ......................................................................................042286-023 ....................................042286-021
7..........Element Gasket .................................................................................... 0005300370 ...................................0005300370
8..........Primary Anode Rod ...............................................................................183523-016.................................... 183523-016
9..........T & P Relief Valve .................................................................................076527-000 ....................................076527-000
10......... Terminal Cover w/High Limit ................................................................183530-000 ....................................183530-000
11......... Thermostat Bracket ...............................................................................184608-000.................................... 184608-000
12......... Thermostat w/High Limit ....................................................................... 183534-000.................................... 183534-000
13......... Junction Box Bracket w/CDT Hole .......................................................184659-000.................................... 184659-000
14......... Junction Box Cover ............................................................................... 184660-000.................................... 184660-000
15......... Porcelain Top .......................................................................................... 1504930 .........................................1504940
16......... Drain Access Door .................................................................................. 3900550 .........................................3900550
17......... Toe Panel ................................................................................................ 4300170 .........................................4300170
18......... Instruction Manual** .............................................................................. 183795-000.................................... 183795-000
19......... Terminal Cover...................................................................................... 183529-000.................................... 183529-000
20......... Lower Thermostat .................................................................................183532-000 ....................................183532-000
**Not Illustrated
***Available at most hardware stores
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