A.O. Smith RTF-120, Series 104

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Use the chart to find the part you need to order. A diagram of the unit is below the chart to assist you in locating your part.
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For parts that are not underlined and do not have a link, please Contact Us for price and availability.
The manufacturer has changed some part numbers to a new part number, and we have referenced the new part number in the chart (if applicable). Please note that the manufacturer may change part numbers and availability at any time.
You can download and print the original PDF of the A.O. Smith parts list at the bottom of the page.

Exhaust System Assembly:

Item	Description	RTF-120 Series 104
1	Transition Pipe Assembly	196499-000
2	Vent Terminal Gasket (qty. 2)	196496-000
3	Clamp - Hose	196813-000
4	Reinforcement Ring	186505-000
5	Insulation - Flue Extension	196513-000
6	Exhaust Vent Terminal Assembly	196891-000
7	Screw - Socket Head Cap (qty. 4)	192525-002
8	Gasket	192331-000
9	Washer (qty. 4)	196153-000
10	Elbow - Vent, 90°	196892-000
NOTES: - The manufacturer may change part numbers and availability at any time.

Air Exhaust Assembly:

Item	Description	RTF-120 Series 104
1	Blower Plenum	196490-000
2	Blower Assembly	196491-000
3	Tube - Air	192469-024
4	Clamp, 3 in. (qty. 2)	192696-000 (new # 9006158215)
5	Air Intake Assembly	196492-000
6	Gasket - Intake Side	193883-000
7	Nut - Kep 1/4 in. -20 UNC	191763-000
NOTES: - The manufacturer may change part numbers and availability at any time.

Cabinet Assembly:

Item	Description	RTF-120 Series 104
1	Front Door Assembly	196861-000
2	Back Door Panel	196862-000
3	Side Panel - Left	196863-000
4	Side Panel - Right	196864-000
5	Cover - Top, Equinox	196815-000
6	Screw - Self Sealing, #8-18 (qty. 22)	210125-000
7	Coverplate - Exhaust	196914-000
8	Vent Terminal Gasket	196496-000
NOTES: - The manufacturer may change part numbers and availability at any time.

Control Assembly:

Item	Description	RTF-120 Series 104
1	Bottom Panel Assembly - Controls Enclosure	196984-000
2	Panels - Controls Enclosure, Left Side	194979-000
3	Panels - Controls Assembly, Right Side	196982-000
4	Panel - Controls Assembly, Top	196980-000
5	Rivet (qty. 4)	068461-004
6	Screw - Self-Threading (qty. 10)	181626-000
NOTES: - The manufacturer may change part numbers and availability at any time.

Control Assembly - Bottom Panel:

Item	Description	RTF-120 Series 104
1	Panels - Controls Enclosure, Bottom Back	196981-000
2	Standoff - Male/Female Threaded (qty. 6)	196671-001
3	Washer - Lock (qty. 6)	003347-001
4	Nut-Hexhead, #8-32 UNC (qty. 6)	041284-001
5	Terminal-Quick-fit (qty. 2)	196683-000
6	Screw-Thread Forming (qty. 4)	182487-000
7	Slotted Wire Duct	212448-006
8	Panel - Controls Enclosure, Front	196983-000
9	Hinge - Piano	210275-005
10	Rivet (qty. 6)	068461-004
11	Grommet (qty. 2)	196635-000
12	I/O Board Equinox	196589-000
13	Ignition Control Board Equinox	196586-000
14	Transformer - 120/24 VAC, 40 VA	196765-000
15	Pressure Switch - Air N.O. + 1.32 in. W.C.	196572-000
16	Pressure Switch - air N.C. + 1.32 in. W.C.	196571-000
17	Switch - On/Off	193243-000 193243 (new # 9005929215)
18	Fuse Holder	196749-000
19	Fuse - 8A, 250V, 1/4 in. - 1-1/4 in.	196835-000
20	Bushing - Snap	098863-000
21	Low Water Cutoff Board	196590-000
22	Module - User Interface - Equinox	196594-000
23	Screw - Self Threading (qty. 6)	181626-000
24	Screw - Thread Forming (qty. 4)	182487-001
25	Machine Screw (qty. 6)	191937-003
NOTES: - The manufacturer may change part numbers and availability at any time.

Burner Assembly:

Item	Description	RTF-120 Series 104
1	Burner Assembly	196162-001 (new # 9007290005)
2	Ignitor Assembly	192638-000 (new # 9004519205)
3	Screw-Slotted Hex Sheet Metal - #6-3/8 in. (qty. 3)	194113-000
4	Air Restrictor	192450-006
5	Barb - Hose	192800-001
6	Flame Rod Assembly	192478-000 (new # 9005886215)
7	Screw - Sheet Metal (qty. 2)	039051-001

	Additional Parts:
	T & P Valve	099465-007 (new # 9005899205)
	Pressure Switch Tubing (59 ft.)	210209-059 (new # 9006548005)
	Pipe Grommet	196520-000
	Pipe Grommet with Studs	196521-000
	Pipe Grommet	196599-000
	Wiring Harness	197002-000
	Conduit Clamp for Remote Wiring	196752-000
	Upper Probe	196699-000
	Lower Probe	196700-000
	Control Box Support Bracket	196750-000
	Juntion Box	068595-000
	Cover, Junction Box	002233-000
	Snap Bushing	098863-000
	Cable Tie Mount	211238-000
	Clip Retainer	092979-000
	Screw-Special #8 Sems	097930-000
	Gas Valve Bracket	197000-000
NOTES: - The manufacturer may change part numbers and availability at any time.

Gas Train:

Item	Description	RTF-120 Series 104
1	Tee - 1/8 in. NPT	040119-000
2	Union - Pipe, 3/4 in.	095515-000
3	Switch - Low Gas Pressure	191149-006 (new # 9004476215)
4	Orifice Holder	192447-000 (new # 9006094215)
5	Orifice	192447-003
6	Coupling - 3/4 in. NPT (Black Iron)	196532-000
7	Nipple - Pipe, 1/8 in.	192948-000
8	Nipple - Pipe, 3/4 in. (2 in. Long)	194921-000
9	Nipple - Pipe, 3/4 in. (1.48 in. Long)	194921-005
10	Valve - Gas	196632-000
11	Elbow - 45 Degree 3/4 in. NPT, Street	196531-000
12	Nipple - Pipe, 1/2 in. (8 in. Long)	002251-014

	Flue Baffle Assembly:
1	Flue Baffle	196515-000

	Dip Tube:
1	Dip Tube	196517-000
NOTES: - The manufacturer may change part numbers and availability at any time.

Manifold Assembly:

Item	Description	RTF-120 Series 104
	Inlet Manifold:
1	Valve, Drain	026273-000
2	Tee - 3/4 in. x 3/4 in. x 3/4 in.	196466-000
3	Tee - 1-1/2 in. x 3/4 in. x 1-1/2 in.	196466-003
4	Adapter - Fitting (Copper)	196475-000
5	Elbow - 90 Degree, 3/4 in. (FTG x FTG)	196538-000
6	Tube - Copper, 1-1/2 in. (3 in. Long)	196816-001
7	Tube - Copper, 1-1/2 in. (6-11/16 in. Long)	196816-012
8	Tube - Copper, 3/4 in. (2-1/4 in. Long)	196813-003
9	Tube - Copper, 3/4 in. (5-7/16 in. Long)	196818-013
10	Adapter - Fitting, 3/4 in.	196886-000
11	Adapter - Fitting, 1-1/2 in.	196886-001
12	Cartridge Circulator	196875-000
13	Union - Dielectric, 1-1/2 in.	196877-000
14	Grommet	196887-000
15	Grommet	196887-001
	Outlet Manifold:
1	Elbow - 90 Degree, 1-1/2 in.	196465-003
2	Tube - Copper, 1-1/2 in. (26-11/16 in. Long)	196816-010
3	Tube - Copper, 1-1/2 in. (17-15/16 in. Long)	196816-011
4	Adapter - Fitting, 1-1/2 in.	196886-001
5	Union - Dielectric, 1-1/2 in.	196877-000
6	Grommet	196887-001
NOTES: - The manufacturer may change part numbers and availability at any time.

Cabinet Base Assembly:

Item	Description	RTF-120 Series 104
1	Base - Cabinet	196884-000
2	Support - Cabinet Base, Side	196433-000
3	Support - Cabinet Base, Side	196464-000
4	Support - Cabinet Base, End (qty. 2)	196434-000
5	Tank Support Assembly (qty. 4)	196435-000
6	Brace - Base Reinforcement (qty. 2)	196438-000
7	Nut - Speed, Spring (qty. 30)	196429-000
8	Screw - Self Sealing, #8-18 (qty. 66)	196640-000

	Low Water Cutoff Probe:
1	Low Water Cutoff Probe	196591-000
NOTES: - The manufacturer may change part numbers and availability at any time.

Download original AO Smith Parts List
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