---
product_id: 463842406
title: "ECOTEC PLUS VU 612 615 618 624 630 637 EXPANSION VESSEL 181051"
brand: "vaillant"
price: "AR$835951"
currency: ARS
in_stock: true
reviews_count: 5
category: "Vaillant"
url: https://www.desertcart.com.ar/products/463842406-ecotec-plus-vu-612-615-618-624-630-637-expansion
store_origin: AR
region: Argentina
---

# Free First Class Delivery & Same Day Dispatch Precision G-thread connectors 0.75" Aluminum build for durability ECOTEC PLUS VU 612 615 618 624 630 637 EXPANSION VESSEL 181051

**Brand:** vaillant
**Price:** AR$835951
**Availability:** ✅ In Stock

## Summary

> 🔥 Upgrade your boiler’s heart with Vaillant’s precision expansion vessel!

## Quick Answers

- **What is this?** ECOTEC PLUS VU 612 615 618 624 630 637 EXPANSION VESSEL 181051 by vaillant
- **How much does it cost?** AR$835951 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/463842406-ecotec-plus-vu-612-615-618-624-630-637-expansion)

## Best For

- vaillant enthusiasts

## Why This Product

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

## Key Features

- • **Premium Build Quality:** Robust aluminum construction ensures long-lasting performance
- • **Seamless Compatibility:** Perfect fit for Vaillant ecoTEC, ecoMAX, VU, VUW boilers
- • **Effortless Installation:** Designed for easy replacement, no hassle recommissioning
- • **Trusted Brand Assurance:** Vaillant original part number 181051 with CE certification
- • **Fast & Reliable Delivery:** Get it same day with free First Class shipping and VAT invoice on request

## Overview

The Vaillant ECOTEC PLUS Expansion Vessel 181051 is a brand new, CE-certified aluminum expansion tank designed specifically for Vaillant ecoTEC, ecoMAX, VU, and VUW boilers. Featuring 0.75-inch G-thread inlet and outlet connectors, it guarantees a perfect fit and reliable pressure control. Backed by 205+ five-star reviews, it offers easy installation and comes with free First Class delivery and same-day dispatch, making it the smart choice for maintaining optimal boiler performance.

## Description

Expansion tank suitable for boilers Vailant ecoTEC, ecoMAX, VU, VUW. ....

Review: Boiler running perfectly now. - Easy Peasy to fit and recommission boiler. Cured pressure rising into the red! Expansion vessel looks exactly same as the original in every way including quality of manufacture and function. Also best price at a quick glance.
Review: vaso espansione - prodotto proprio uguale all originale ottimo

## Features

- Free First Class Delivery, Same Day Dispatch, VAT Invoice upon request.
- BRAND NEW PART NO RETAIL PACKAGING
- Brand: Vaillant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01GA62ZJQ |
| Brand | Vaillant |
| Brand Name | Vaillant |
| Customer Reviews | 4.7 out of 5 stars 205 Reviews |
| Exterior Finish | painted |
| Exterior finish | painted |
| Global Trade Identification Number | 03809200403706 |
| Inlet Connection Size | 0.75 Inches |
| Inlet Connection Type | Connector G |
| Inlet connection size | 0.75 Inches |
| Inlet connection type | Connector G |
| Manufacturer | VAILLANT |
| Manufacturer Part Number | 181051 |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | 181051 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.75 Inches |
| Outlet Connection Type | G Connector |
| Outlet connection type | G Connector |
| Specification Met | CE |
| Thread Type | G-thread |
| Unit Count | 1.0 Count |
| Valve Type | Line Blind Valve |

## Images

![ECOTEC PLUS VU 612 615 618 624 630 637 EXPANSION VESSEL 181051 - Image 1](https://m.media-amazon.com/images/I/51SJQspRRQL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Boiler running perfectly now.
*by S***R on 25 October 2025*

Easy Peasy to fit and recommission boiler. Cured pressure rising into the red! Expansion vessel looks exactly same as the original in every way including quality of manufacture and function. Also best price at a quick glance.

### ⭐⭐⭐⭐⭐ vaso espansione
*by R***. on 16 April 2026*

prodotto proprio uguale all originale ottimo

### ⭐⭐⭐⭐⭐ Gutes Produkt, Empfehlenswert
*by W***. on 7 May 2026*

Artikel wie beschrieben, Montage war einfach. Alles funktioniert einwandfrei

## Frequently Bought Together

- VAILLANT ECOTEC PLUS VU 612 615 618 624 630 637 EXPANSION VESSEL 181051
- HTS Boiler PRV Compatible with Vaillant ECOTEC Plus VUW 824 831 837 Boiler Pressure Relief Safety Valve 178985
- Vaillant ECOTEC PRO 24 28 Water Pressure Sensor 253595

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**Shop now:** [https://www.desertcart.com.ar/products/463842406-ecotec-plus-vu-612-615-618-624-630-637-expansion](https://www.desertcart.com.ar/products/463842406-ecotec-plus-vu-612-615-618-624-630-637-expansion)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-10-08*