Dometic 320 / 321 Series Low Profile Parts Diagram · Exploded View

Toilet · 3 assemblies · 9 diagram sheets · 22 parts · by Andrew Strick, mobile RV technician

OEM exploded parts diagrams for the Dometic 320 / 321 Series Low Profile RV toilet: 3 assemblies (Exploded View, Replacement, Exploded View - W/hand Spray) and 22 manufacturer part numbers.

Thetford and Dometic toilet model numbers are on a sticker at the back of the base or under the bowl rim. The same family (Aqua-Magic, 300/310) has high- and low-profile versions with different valves and seals.

Exploded View

Components

16 items

1. #320 SEAT/COVER - WHITE MFR # 385311863
2. #320 SEAT/COVER - BONE MFR # 385311864
3. #SEAT MTG HARDWARE - BONE MFR # 385311651
4. #Dometic 310 Series Toilet Water Valve Assembly MFR # 385311650
5. #Dometic 310 Series Toilet Flush Ball Seal MFR # 385311658
6. #Dometic 310 Series Toilet Bowl Pedal Assembly MFR # 385316906
7. #Dometic 300 Series Standard Height Toilet Bowl Base MFR # 385311641
8. #FLOOR BOLT CAP - WHITE MFR # 385311654
9. #FLOOR BOLT CAP - BONE MFR # 385311655
10. #1/2" SEALING GROMMET MFR # 385311164
11. #Dometic 310/320 Series Toilet Water Valve Assembly MFR # 385311652
12. #Dometic 300 Series Toilet 311 Series Ball Seal MFR # 385311653
13. #Dometic 310 Series Toilet Hand Spray Assembly MFR # 385319054
14. #WATER LINE EXTENSION KIT MFR # 385311718
15. #Dometic 310 Series Toilet Hand Spray Assembly MFR # 385311719
16. #KIT, 300 SERIES MTG ADAPT-BONE MFR # 385311720

Replacement

Components

4 items

1. #TOILETS RV; 321-WS /RT/BONE MFR # 302321683
2. #Toilet; 320 Series; Permanent; Elongated Seat With 14 Inch Seat Height; Pedal Flush Control; 360 Degree Rim Wash For Complete Rinse; Bone Ceramic With Wooden Seat; 14 Inch Height x 14- 3/4 Inch Width x 22 Inch Depth; With Hand Sprayer MFR # 302321783
3. #TOILETS RV; 321-WS /RT/WHITE MFR # 302321681
4. #TOILETS RV; 321S-WS /RT/WHITE MFR # 302321781

Exploded View - W/hand Spray

Components

17 items

1. #320 SEAT/COVER - WHITE MFR # 385311863
2. #320 SEAT/COVER - BONE MFR # 385311864
3. #Dometic 310 Series Toilet Water Valve Assembly MFR # 385311650
4. #SEAT MTG HARDWARE - BONE MFR # 385311651
5. #Dometic 310 Series Toilet Flush Ball Seal MFR # 385311658
6. #Dometic 300 Series Standard Height Toilet Bowl Base MFR # 385311641
7. #FLOOR BOLT CAP - WHITE MFR # 385311654
8. #FLOOR BOLT CAP - BONE MFR # 385311655
9. #1/2" SEALING GROMMET MFR # 385311164
10. #Dometic 310/320 Series Toilet Water Valve Assembly MFR # 385311652
11. #Dometic 300 Series Toilet 311 Series Ball Seal MFR # 385311653
12. #Dometic 310 Series Toilet Bowl Plus Ball Seal Assembly MFR # 385311124
13. #Dometic 300 Series Toilet Hand Spray Assembly MFR # 385230335
14. #Dometic 310 Series Toilet Hand Spray Assembly MFR # 385319054
15. #Dometic 310 Series Toilet Hand Spray Assembly MFR # 385311719
16. #WATER LINE EXTENSION KIT MFR # 385311718
17. #KIT, 300 SERIES MTG ADAPT-BONE MFR # 385311720