Suburban SW4DEL Water Heater Parts Diagram & OEM Parts List
Use this OEM parts diagram to identify the correct replacement parts for your Suburban SW4DEL 4-gallon gas/electric DSI RV water heater. Click any manufacturer part number below to search for genuine OEM module boards, heating elements, gas valves, thermostats, relays, anode rods, access doors and more.

Suburban SW4DEL Water Heater Parts List
Click the part number to search for the part.
| Reference # | Mfg Part Number | Description |
|---|---|---|
| 1 | 520814 | MODULE BOARD |
| 6 | 70270 | BUSHING, SNAP 1/2 IN. |
| 7 | 230216 | BUSHING, STRAIN RELIEF 5/8 |
| 8 | 90517 | BOX ASSY, JUNCTION DC |
| 10 | 102740 | BACK, FLUE COLLECTOR |
| 11 | 102776 | FRONT, FLUE COLLECTOR ASSY |
| 12 | 161157 | VALVE, PRESSURE RELIEF 3/4 IN USE 161230 |
| 12 | 161230 | VALVE, PRESSURE RELIEF 3/4 IN NPT (SEE NOTES) |
| 12 | 525045 | VALVE, PRESSURE RELIEF 3/4 IN NPT |
| 13 | 121577 | SCREW 10 X 1/4 IN |
| 15 | 90562 | COVER, T-STAT / HI LIMIT |
| 16 | 70987 | GASKET, T-STAT COVER |
| 18 | 70874 | GROMMET (SEE NOTES) |
| 21 | 232258 | 2 PRONG ELECTRODE ASSY (SEE NOTES) |
| 24 | 90445 | COVER ELEMENT |
| 25 | 70988 | GASKET ELEMENT COVER |
| 26 | 11030 | BURNER |
| 28 | 520900 | ELEMENT W/GASKET |
| 29 | 232767 | ANODE ROD, MAGNESIUM USE 233514 |
| 29 | 233514 | ANODE ROD-MAGNESIUM-EXT. LIFE |
| 31 | 71246 | GROMMET |
| 33 | 232259 | SWITCH, ELEMENT USE 233358 |
| 33 | 233358 | SWITCH, ELEMENT (SEE NOTES) |
| 34 | 170374 | GAS FITTING, 90° ELBOW (SEE NOTES) |
| 35 | 63779 | VALVE MOUNTING BRACKET |
| 36 | 161255 | GAS VALVE 3/8 NPT INLET 1/8-27 NPT OUTLET |
| 39 | 121958 | SCREW 8-32 X 3/8 HEX HD |
| 41 | 233534 | T-STAT / HI-LIMIT SWITCH, 135 DEGREE (SEE NOTES) |
| 41 | 525007 | T-STAT / HI-LIMIT SWITCH, 135 DEGREE, BAGGED |
| 42 | 232306 | T-STAT / HI-LIMIT SWITCH, 120 VAC 130 DEGREE (SEE NOTES) |
| 42 | 525002 | T-STAT / HI-LIMIT SWITCH, 120 VAC 130 DEGREE, BAGGED |
| 44 | 90576 | COVER, JUNCTION BOX |
| 45 | 70989 | GROMMET, GAS INLET |
| 47 | 90575 | A.C. JUNCTION BOX ASSEMBLY |
| 48 | 121576 | NUT, 10-24 KEPS |
| 49 | 231827 | BUSHING, SNAP 7/8 IN |
| 50 | 520867 | FOAM JACKET ASSEMBLY COMPLETE |
| 52 | 122162 | SCREW #14 X 1/2 IN SLOTTED HEX HEAD |
| NS | 232456 | WIRE, ELECTRODE |
| 58 | 232948 | RELAY |
| 60 | 71016 | GASKET, SWITCH, ELECTRIC ELEMENT |
| 65 | 180325 | BURNER ORIFICE #65 |
| 66 | 40547 | DEFLECTOR |
| 67 | 63827 | ORIFICE CLIP |
| 72 | 121698 | NUT #10-32 HEX KEPS |

Suburban SW4DEL Access Door Options
| Reference # | Mfg Part Number | Description |
|---|---|---|
| 0 | 6261ACW | DOOR, 3,4,6 GAL RADIUS COLONIAL WHITE |
| 0 | 6261APW | DOOR, 3,4,6 GAL RADIUS POLAR WHITE |
| 0 | 6255APW | DOOR, 3,4,6 GAL FLUSH P/W W/FRAME |
| 0 | 6255ACW | DOOR, 3,4,6 GAL FLUSH C/W W/FRAME |
| NS | 121876 | DOOR SCREW KIT (SEE NOTES) |
| NS | 525026 | DOOR SCREW KIT |
Click any manufacturer part number above to search our inventory. If you cannot locate the part you need, contact us with your Suburban water heater model and serial number for assistance.
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