---
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: "€ 47.41"
currency: EUR
in_stock: true
reviews_count: 13
category: "Beech Lane"
url: https://www.desertcart.hr/products/426911126-beech-lane-upgraded-water-valve-kit-replaces-385311641-for-dometic
store_origin: HR
region: Croatia
---

# Ultrasonic rotary seam melting seals leaks Freeze-resistant polymer prevents cracks Over-engineered valve body for max durability 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:** € 47.41
**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?** € 47.41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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

- • **Leak-Free Confidence:** Ultrasonic rotary seam melting ensures a 100% sealed valve body
- • **Trusted by Thousands of RVers:** Top-rated with 4.5 stars from over 3,000 reviews—no more leaks, no more headaches
- • **Freeze-Proof Your RV Adventures:** Glass fiber reinforced polymer resists cracking in freezing temps
- • **Perfect Fit for Dometic 300 Series:** Direct replacement for part 385311641, hassle-free installation
- • **Built to Last, Engineered to Perform:** Over-engineered valve design extends lifespan beyond standard replacements

## Overview

The Beech Lane Upgraded Water Valve Kit is a premium replacement for Dometic 300, 310, and 320 series RV toilets, designed to outlast standard valves with its over-engineered body and freeze-resistant glass fiber reinforced polymer. Featuring ultrasonic rotary seam melting technology, it guarantees a leak-proof seal, ensuring reliable performance even in freezing conditions. Highly rated by thousands of RV owners, this valve offers a perfect fit and easy installation, making it the smart choice for long-lasting RV plumbing peace of mind.

## Description

Product description

Review: Good product - Easy install. Exact match for the one that came out.
Review: Great product. Works fantasxtic. - 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.

## 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 | #1,640 in Automotive ( See Top 100 in Automotive ) #3 in RV Toilet Spare Parts |
| Brand | Beech Lane |
| Brand Name | Beech Lane |
| Connector Type | Flanged |
| Customer Reviews | 4.5 out of 5 stars 3,023 Reviews |
| Exterior Finish | Plastic |
| Inlet Connection Size | 1 Inches |
| Inlet Connection Type | Flange |
| Manufacturer | Beech Lane |
| Manufacturer Part Number | BL-110-Master |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | BL-110-Master |
| Number of Ports | 2 |
| Outlet Connection Size | 1 Inches |
| Outlet Connection Type | Flange |
| Set Name | RV |
| 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

### ⭐⭐⭐⭐⭐ Good product
*by R***. on May 5, 2026*

Easy install. Exact match for the one that came out.

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ 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.

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**Shop now:** [https://www.desertcart.hr/products/426911126-beech-lane-upgraded-water-valve-kit-replaces-385311641-for-dometic](https://www.desertcart.hr/products/426911126-beech-lane-upgraded-water-valve-kit-replaces-385311641-for-dometic)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-15*