A.O. Smith 100 Series Parts List

1.......... Anode, Aluminum Alloy ..........................................183523-26 ....................... 183523-26.......................... 183523-29 ........................
2 .......... Baffle, Flue ............................................................... 181382 ............................. 181382 .............................. 181382 ...........................
3................. Baffle, Hanger ...................................................181360-2 ..........................181360-2............................ 181360-2 .........................
4................. Plate, Flue Restrictor ......................................... 183482 ............................. 183482 .............................. 183482 ...........................
5................. Ring, Flue Restrictor ..........................................34894-1 ........................... 34894-1.............................. 34894-1 ..........................
6.......... Blower Assembly...................................................183505-000 ......................183505-000........................ 183505-000 .......................
7................. Limit Switch ......................................................183380-2 ..........................183380-2............................ 183380-2 .........................
8................. Pressure Switch..............................................185135-000 ......................185135-000........................ 185135-000 .......................
9................. Adapter, Exhaust ............................................... 183508 ............................. 183508 .............................. 183508 ...........................
10 ................Hose Clamp, 3 1/2" ............................................ 183545 ............................. 183545 .............................. 183545 ...........................
11 ................ Hose Clamp, 4" .................................................183545-1 ..........................183545-1............................ 183545-1 .........................
12 ................ Blower Assembly Gasket ................................185106-000 ......................185106-000........................ 185106-000 .......................
13 ......... Burner Assembly, Natural Gas .................................. - - - - -.............................184052-2.............................. - - - - - ...........................
13 ......... Burner Assembly, Propane Gas .............................184050-10
...........................- - - - -............................. 184050-11 .......................
.
14 ................ Hex Nut ............................................................... - - - - -.............................. 183717 ............................... - - - - - ...........................
15 ................ NOx Screen ........................................................ - - - - -.............................. 183619 ............................... - - - - - ...........................
16 ................ Burner, Main - Natural ......................................... - - - - -.............................. 183630 ............................... - - - - - ...........................
16 ................ Burner, Main - Propane ...................................... 183325 ..............................- - - - -............................... 183325 ...........................
17 ................ Igniter Assembly, Hot Surface............................ 184047 ............................. 184047 .............................. 184047 ...........................
18 ................ Orifice, Main Burner - Natural .............................. - - - - -........................... 181508-31............................. - - - - - ...........................
18 ................ Orifice, Main Burner - Propane .........................181791-50 ...........................- - - - -.............................181791-48 .......................
.
19 ................ Burner Tube Assembly - Natural ......................... - - - - -.............................184051-2 .............................. - - - - - ...........................
19 ................ Burner Tube Assembly - Propane .....................184049-2 ............................- - - - -.............................. 184049-3 ........................
.
20 ......... Combination Gas Valve - Natural ............................... - - - - -.............................183760-2 .............................. - - - - - ...........................
20 ......... Combination Gas Valve - Propane ...........................183760-3 ............................- - - - -.............................. 183760-3 ........................
.
21 ......... Door, Inner ................................................................ 183491 ............................. 183491 .............................. 183491 ...........................
22 ......... Door, Outer ............................................................... 180522 ............................. 180522 .............................. 180522 ...........................
23 ......... Envelope with Parts ............................................... 183509-002 ......................183509-002........................ 183509-002 .......................
24 ................ Wall Plate, 2" ..................................................... 182787 ............................. 182787 .............................. 182787 ...........................
25 ................ Wall Plate, 3" ..................................................... 181557 ............................. 181557 .............................. 181557 ...........................
26 ................ Vent Terminal Assembly, 2" .............................. 183571 ............................. 183571 .............................. 183571 ...........................
27 ................ Vent Terminal, 3" ............................................... 192815 ............................. 192815 .............................. 192815 ...........................
28 ................ 2" Vent Terminal Restrictor .............................184501-000 ......................184501-000........................ 184501-000 .......................
29 ................ 3" Vent Terminal Restrictor .............................184502-000 ......................184502-000........................ 184502-000 .......................
*30 ........ Label, Electrical Diagram ......................................... 183765 ............................. 183765 .............................. 183765 ...........................
31 ......... Label, Flammable Vapor/Scald Warning ................... 183301 ............................. 183301 .............................. 183301 ...........................
32 ......... Label, Lighting & Operating Instruction ..................... 183764 ............................. 183764 .............................. 183764
...........................
*33 ........ Label, Relief Valve .................................................... 180078 ............................. 180078 .............................. 180078 ...........................
*34 ........ Label, Temperature ................................................... 182734 ............................. 182734 .............................. 182734 ...........................
*35 ........ Owner’s Manual ..................................................... 184674-001 ......................184674-001........................ 184674-001 .......................
36 ......... Pipe Insulation, 2' .................................................. 181639-003 ......................181639-003........................ 181639-003 .......................
37 ......... Insulation, T & P ....................................................183256-000 ......................183256-000........................ 183256-000 .......................
38 ......... Heat Trap Nipples .................................................. 184715-003 ......................184715-003........................ 184715-003 .......................
39 ......... Spacer, Inlet Tube ................................................. 184011-000 ......................184011-000........................ 184011-000 .......................
40 ......... Tube, Inlet...............................................................183359-41 ....................... 183359-41.......................... 183359-45 ........................
41 ......... Valve, Drain - Brass ..................................................26273-6 ........................... 26273-6.............................. 26273-6 ..........................
42 ......... Valve, Drain - Plastic ................................................42037-3 ........................... 42037-3.............................. 42037-3 ..........................
43 ......... Valve, T & P Relief....................................................43151-2 ........................... 43151-2.............................. 43151-2 ..........................
44 ......... Wire Harness ..........................................................183506-1 ..........................183506-1............................ 183506-1 .........................
45 ......... Dirt Leg Assembly ...................................................
181206-1 ..........................181206-1............................ 181206-1 .........................
GPCR-40 GPCR-40 GPCR-50
Item Description 101 100 101
* Not illustrated.

A.O. Smith 100 Series Specifications

General

Brand	A.O. Smith
Series	100 Series
Category	Water Heater
Vent Type	Atmospheric
Type	Tank
Fuel Type	Natural Gas, Propane
Warranty	6-Year Limited Tank and Parts