---
product_id: 75485042
title: "VAILLANT ECOTEC VUW PRO 24 28 EXPANSION VESSEL 181051 - Vaillant Alloy Steel Flat Washer - Expansion Vessel Washer"
brand: "maman"
price: "€ 126.82"
currency: EUR
in_stock: true
reviews_count: 13
category: "Maman"
url: https://www.desertcart.fi/products/75485042-vaillant-ecotec-vuw-pro-24-28-expansion-vessel-181051-vaillant
store_origin: FI
region: Finland
---

# Quick and easy installation Precision-engineered flat washer Durable alloy steel construction VAILLANT ECOTEC VUW PRO 24 28 EXPANSION VESSEL 181051 - Vaillant Alloy Steel Flat Washer - Expansion Vessel Washer

**Brand:** maman
**Price:** € 126.82
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your boiler’s heartbeat with genuine precision!

## Quick Answers

- **What is this?** VAILLANT ECOTEC VUW PRO 24 28 EXPANSION VESSEL 181051 - Vaillant Alloy Steel Flat Washer - Expansion Vessel Washer by maman
- **How much does it cost?** € 126.82 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/75485042-vaillant-ecotec-vuw-pro-24-28-expansion-vessel-181051-vaillant)

## Best For

- maman enthusiasts

## Why This Product

- Trusted maman brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Next-Day Delivery:** Get your boiler back to peak condition faster than ever.
- • **Flat Washer Design:** Ensures a secure, leak-proof seal every time.
- • **Effortless Swap & Save:** Replace your expansion vessel washer in minutes, no hassle.
- • **Genuine Vaillant Quality:** Trust the original for optimal boiler performance and safety.
- • **Robust Alloy Steel Build:** Engineered for long-lasting durability under pressure.

## Overview

The Vaillant Ecotec VUW Pro 24 28 Expansion Vessel Washer is a high-quality, flat alloy steel washer designed specifically for Vaillant boilers. Engineered for durability and safety, this genuine replacement part ensures a secure seal and optimal boiler performance. Trusted by professionals and DIY enthusiasts alike, it offers quick installation and reliable operation, backed by excellent customer reviews and next-day delivery.

## Description

Since This Is A Safety Relevant Component, Installation Must Only Be Carried Out By An Authorized Specialist

Review: Genuine part at 1/3 rd the cost. - Fantastic price ,genuine part ,easy quick swap and boiler happy again,also delivered next day,very happy customer will use them again in future.
Review: Replacement part for Valiant Boiler works well - Great replacement at a superb price

## Features

- VAILLANT ECOTEC VUW PRO 24 28 EXPANSION VESSEL 181051
- Brand : Vaillant
- Product type: WASHERS

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01GA63YDW |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 89,156 in DIY & Tools ( See Top 100 in DIY & Tools ) 191 in Water Heaters & Parts |
| Customer Reviews | 4.5 4.5 out of 5 stars (175) |
| Date First Available | 28 May 2016 |
| Finish | Glossy |
| Head Style | Flat |
| Item Package Quantity | 1 |
| Manufacturer | VAILLANT |
| Manufacturer reference | HXX-HX-201 |
| Material | Metal |
| Number of Pieces | 1 |
| Part Number | HXX-HX-201 |
| Shape | Flat |
| Size | 0.118 inches |

## Product Details

- **Exterior finish:** Zinc
- **Fastener size:** 0.118 inches
- **Material:** Metal
- **Outside diameter:** 0.12 Inches
- **Washer type:** Flat

## Images

![VAILLANT ECOTEC VUW PRO 24 28 EXPANSION VESSEL 181051 - Vaillant Alloy Steel Flat Washer - Expansion Vessel Washer - Image 1](https://m.media-amazon.com/images/I/31YB7QYCabL.jpg)
![VAILLANT ECOTEC VUW PRO 24 28 EXPANSION VESSEL 181051 - Vaillant Alloy Steel Flat Washer - Expansion Vessel Washer - Image 2](https://m.media-amazon.com/images/I/61yLT6YFI5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Genuine part at 1/3 rd the cost.
*by C***F on 9 August 2020*

Fantastic price ,genuine part ,easy quick swap and boiler happy again,also delivered next day,very happy customer will use them again in future.

### ⭐⭐⭐⭐⭐ Replacement part for Valiant Boiler works well
*by B***Y on 14 June 2025*

Great replacement at a superb price

### ⭐⭐⭐⭐⭐ Good value
*by H***G on 31 October 2019*

Arrived a day early and was a simple fit. Comes complete with new fibre washer. Got quoted £120 from local spares companies so a bargain price.

## Frequently Bought Together

- VAILLANT ECOTEC VUW PRO 24 28 EXPANSION VESSEL 181051 - Vaillant Alloy Steel Flat Washer - Expansion Vessel Washer
- Vaillant Pressure Relief Valve 178985
- Vaillant ECOTEC PRO 24 28 Water Pressure Sensor 253595

---

## 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.fi/products/75485042-vaillant-ecotec-vuw-pro-24-28-expansion-vessel-181051-vaillant](https://www.desertcart.fi/products/75485042-vaillant-ecotec-vuw-pro-24-28-expansion-vessel-181051-vaillant)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-20*