320 Gravity Flush Parts
Dometic/Sealand 320 Model Gravity Flush Toilet Parts Diagram
Looking for replacement parts for your Dometic/Sealand 320 model gravity flush toilet? Refer to the list below to find the part number you need.
As a Dometic Master Distributor, Environmental Marine carries a full line of replacement parts for Dometic/Sealand marine toilets and RV toilets. If you can’t find the part you’re looking for in our online store, contact our team and we’ll track it down for you!
Dometic/Sealand 320 Model Gravity Flush Toilet Replacement Parts List
| ITEM | PART NO. | DESCRIPTION |
| 1 | 385311861 | Seat/Cover Mounting Bracket Hardware |
| 2 | 385311863 | Seat/Cover Replacement – White (includes Item 1) |
| 2 | 385311864 | Seat/Cover Replacement – Bone (includes Item 1) |
| 3 | 385311658 | Flush Ball Seal |
| 4 | 385311652 | Mounting Hardware/Seal – White (includes Item 5) |
| 4 | 385311653 | Mounting Hardware/Seal – Bone (includes Item 5) |
| 5 | 385311654 | Floor Bolt Cap – White |
| 5 | 385311655 | Floor Bolt Cap – Bone |
| 6 | 385311656 | Pedal Cover – White |
| 6 | 385311657 | Pedal Cover – Bone |
| 7 | 385311641 | Water Valve Kit |
| 8 | 385340177 | Water Supply Hose – White (includes clamps) |
| 8 | 385345377 | Water Supply Hose – Bone (includes clamps) |
| 9 | 385311164 | 1/2” Sealing Grommet |
| 10 | 385230335 | Vacuum Breaker Kit w/Hand Spray (includes Item 9) |
| 10 | 385316906 | Vacuum Breaker Kit (includes Item 9) |
| 11 | 385319054 | Hand Spray Kit w/Vacuum Breaker – White (includes Items 9, 10, & 12)* |
| 12 | 385311124 | Hand Sprayer – White (includes Item 13)* |
| 13 | 385230319 | Hand Spray Bracket w/Screws – White* |
*Items 11, 12, & 13 are optional accessories; not provided with every model.