--- product_id: 426911126 title: "Beech Lane Upgraded Water Valve Kit Replaces 385311641 for Dometic Toilets 300, 310, and 320, Increased Freeze Resistance, Long Valve Lifespan, Ultrasonic Sealing Safeguards Against Leaks (Natural)" brand: "beech lane" price: "VT7849" currency: VUV in_stock: true reviews_count: 13 category: "Beech Lane" url: https://www.desertcart.vu/products/426911126-beech-lane-upgraded-water-valve-kit-replaces-385311641-for-dometic store_origin: VU region: Vanuatu --- # Ultrasonic seam sealing Over-engineered for durability Freeze-resistant polymer tech Beech Lane Upgraded Water Valve Kit Replaces 385311641 for Dometic Toilets 300, 310, and 320, Increased Freeze Resistance, Long Valve Lifespan, Ultrasonic Sealing Safeguards Against Leaks (Natural) **Brand:** beech lane **Price:** VT7849 **Availability:** ✅ In Stock ## Summary > 🚿 Upgrade your RV toilet valve—because leaks are so last season! ## Quick Answers - **What is this?** Beech Lane Upgraded Water Valve Kit Replaces 385311641 for Dometic Toilets 300, 310, and 320, Increased Freeze Resistance, Long Valve Lifespan, Ultrasonic Sealing Safeguards Against Leaks (Natural) by beech lane - **How much does it cost?** VT7849 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/426911126-beech-lane-upgraded-water-valve-kit-replaces-385311641-for-dometic) ## Best For - beech lane enthusiasts ## Why This Product - Trusted beech lane brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Over-engineered valve body extends lifespan beyond standard replacements 🔧 - • **Trusted by Thousands:** 4.5-star rating from nearly 3,000 users proves consistent performance - • **Leak-Proof Confidence:** Rotary seam melting with hexagonal cap design ensures 100% sealed joints 🔒 - • **Freeze-Proof Reliability:** Glass fiber reinforced polymer prevents cracks even in freezing temps ❄️ - • **Perfect Fit for Dometic 300 Series:** Direct replacement for part 385311641, hassle-free installation ## Overview The Beech Lane Upgraded Water Valve Kit is a premium replacement valve designed specifically for Dometic 300, 310, and 320 series RV toilets. Featuring freeze-resistant glass fiber reinforced polymer construction, an over-engineered valve body for extended durability, and ultrasonic rotary seam melting for leak-proof sealing, this valve ensures long-lasting, reliable performance. Rated 4.5 stars by nearly 3,000 customers, it offers a perfect fit and easy installation, making it the go-to choice for RV owners seeking to avoid annual valve replacements. ## Description desertcart.com: Beech Lane Upgraded Water Valve Kit Replaces 385311641 for Dometic Toilets 300, 310, and 320, Increased Freeze Resistance, Long Valve Lifespan, Ultrasonic Sealing Safeguards Against Leaks (Natural) : Automotive Review: Works as it should. - Was as good as the original and was easy to install and fixed the water leak. Review: Exactly what I needed - This is exactly what I needed to fix the leak in my rv toilet. Unfortunately I have to replace it every year after winter but I’m glad it’s an easy thing to replace and it’s not expensive. ## Features - BEECH LANE UPGRADED REPLACEMENT VALVE FOR DOMETIC 300 SERIES TOILETS, REPLACES PART 385311641 - Stop breaking your back every year replacing your leaking toilet valve. This Beech Lane proprietary ant cracking valve design works to increase valve lifespan . Fits Dometic 300, 310, and 320 Series RV Toilets and replaces part 385311641 - FREEZE RESISTANT TECHNOLOGY HELPS PREVENT CRACKS- Features glass fiber reinforced polymer construction that is tested for improved crack resistance during freezing temperatures. - OVER ENGINEERED DESIGN INCREASES VALVE LIFESPAN - This Beech Lane valve features a over-engineered body design for increased valve longevity and prolonged function. - ROTARY SEAM MELTING COMPLETELY SEALS VALVE SEAMS- Engineered with a hexagonal inner structure to the cap to allow for complete seam sealing during production between cap and valve body with rotary melting. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09P1WXMTW | | Best Sellers Rank | #4,403 in Automotive ( See Top 100 in Automotive ) #5 in RV Toilet Spare Parts | | Brand Name | Beech Lane | | Connector Type | Flanged | | Customer Reviews | 4.5 4.5 out of 5 stars (2,980) | | Exterior Finish | Plastic | | Inlet Connection Size | 1 Inches | | Inlet Connection Type | Flange | | Manufacturer | Beech Lane | | Material Type | Plastic | | Model Number | BL-110-Master | | Number of Ports | 2 | | Outlet Connection Size | 1 Inches | | Outlet Connection Type | Flange | | Size | 1 Inch | | Thread Size | 1 inch NPT | | Thread Type | NPT | | UPC | 856152008896 | | Unit Count | 1.0 Count | | Valve Type | Ball Valve or Gate Valve | ## Product Details - **Brand:** Beech Lane - **Exterior Finish:** Plastic - **Inlet Connection Size:** 1 Inches - **Inlet Connection Type:** Flange - **Manufacturer:** Beech Lane - **Material:** Plastic - **Number of Ports:** 2 - **Outlet Connection Size:** 1 Inches - **Outlet Connection Type:** Flange - **UPC:** 856152008896 ## Images ![Beech Lane Upgraded Water Valve Kit Replaces 385311641 for Dometic Toilets 300, 310, and 320, Increased Freeze Resistance, Long Valve Lifespan, Ultrasonic Sealing Safeguards Against Leaks (Natural) - Image 1](https://m.media-amazon.com/images/I/61ECgpwj4WL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works as it should. *by S***R on February 10, 2026* Was as good as the original and was easy to install and fixed the water leak. ### ⭐⭐⭐⭐⭐ Exactly what I needed *by M***N on March 20, 2026* This is exactly what I needed to fix the leak in my rv toilet. Unfortunately I have to replace it every year after winter but I’m glad it’s an easy thing to replace and it’s not expensive. ### ⭐⭐⭐⭐⭐ Great product. Works fantasxtic. *by N***N on March 5, 2026* Great product. I changed out the toilet three times and used other brands. They all leaked. This valve seemed heavier and fit great. Most importantly no leaks. Highly recommend this Beech Lane product. The other valves were cheaper but if they do not work and leak. They sure are not cheaper. This does not cost that much. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/426911126-beech-lane-upgraded-water-valve-kit-replaces-385311641-for-dometic](https://www.desertcart.vu/products/426911126-beech-lane-upgraded-water-valve-kit-replaces-385311641-for-dometic) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-13*