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🚿 Upgrade your RV throne with precision and ease — don’t let leaks cramp your adventure!
The Dometic 385311641 Sealand Water Valve Kit is a compact, lightweight replacement kit designed for 300 Series Dometic toilets. Featuring 0.5-inch compression fittings and premium metal construction, it includes all necessary components for quick installation. Trusted by RV and boat enthusiasts, this kit ensures reliable water flow control and long-lasting performance.









| Asin | B004SNJPV0 |
| Best Sellers Rank | 575,587 in Sports & Outdoors (See Top 100 in Sports & Outdoors) 2,137 in Camping & Hiking Hygiene & Sanitation |
| Brand | Dometic |
| Connector Type | Compression |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,009) 4.6 out of 5 stars |
| Exterior Finish | painted |
| Global Trade Identification Number | 00713814072827 |
| Included Components | Dometic Sanitation 385311641 Water Valve Kit F300/F310 |
| Inlet Connection Size | 0.5 Inches |
| Inlet Connection Type | Compression |
| Item Dimensions | 15.5 x 14 x 3.2 centimetres |
| Item Type Name | Dometic Sanitation 385311641 Water Valve Kit F300/F310 |
| Item Weight | 45 g |
| Manufacturer | Dometic |
| Material | Metal |
| Model Number | 385311641 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Number Of Pieces | 4 |
| Number Of Ports | 2 |
| Outlet Connection Size | 0.5 Inches |
| Outlet Connection Type | Compression |
| Part Number | 385311641 |
| Set Name | Kit |
| Size | 34.16 cubic inches |
| Specification Met | NSF, WRAS |
| Thread Size | 0.5 inches |
| Thread Type | NPT |
| Unit Count | 1.0 count |
| Upc | 713814072827 |
| Valve Type | Toilet Water Valve |
User
Perfect
Very simple to install. Perfect fit. Easy DIY project. Works perfectly
User
This one works!!
This one worked!! I originally ordered the knock off “improved design” one sold under the name Beech Lane WHICH FAILED RIGHT AFTER INSTALLATION!! It ever so slightly leaked water into the bowl which would have eventually flooded my travel trailer.Please order this OEM part like I wish I had done! It actually works when you install it.
User
Efficacité
On a essayé un autre moins cher, mais n'a pas fonctionné. Ça vaut la peine de payer pour l'original. Rapide à réparer et efficace.
User
RV Toilet Valve Fix That Packs a Punch!
I’m really pleased with this water valve kit for my RV toilet! It was a perfect fit for my Dometic 310, snapping right into place and stopping a pesky leak in no time. Installation was quick—under 10 minutes with just a screwdriver, thanks to the included hose clamp, screws, and clear instructions. The sturdy ABS plastic and stainless mesh filters feel high-quality, and it’s been working flawlessly with no drips or issues for weeks. It’s a compact, affordable solution that’s a must-have for any RV camper. Saved me a ton of hassle and kept my trips worry-free
User
Dometic 385311641 Water Valve
Good price for the valve but the problem was the peddle bunched a hole in the peddle cam causing the peddle to jam and no water to flow. Dometic has serious problem design on 310 toilets. The peddle cam design has no strength in the material and Dometic doesn't offer a replacement part, just new toilet., this model has a serious problem.
Trustpilot
1 month ago
1 week ago