---
product_id: 576938151
title: "Water Heater Expansion Vessel Kit A"
brand: "ariston"
price: "AR$204372"
currency: ARS
in_stock: true
reviews_count: 5
url: https://www.desertcart.com.ar/products/576938151-water-heater-expansion-vessel-kit
store_origin: AR
region: Argentina
---

# 2L capacity 10 bar max pressure Compact & easy install Water Heater Expansion Vessel Kit A

**Brand:** ariston
**Price:** AR$204372
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your hot water flowing flawlessly — upgrade your system with Ariston’s smart expansion kit!

## Quick Answers

- **What is this?** Water Heater Expansion Vessel Kit A by ariston
- **How much does it cost?** AR$204372 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/576938151-water-heater-expansion-vessel-kit)

## Best For

- ariston enthusiasts

## Why This Product

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

## Key Features

- • **Universal Compatibility:** Specifically tailored for Ariston water heaters, guaranteeing perfect fit and performance
- • **Compact 2-Litre Capacity:** Optimized size for efficient pressure management without bulk
- • **Robust 10 Bar Max Pressure:** Engineered to handle high-pressure demands safely
- • **Integrated 15mm Check Valve:** Built-in safety feature to prevent backflow and ensure system integrity
- • **Lightweight & Space-Saving Design:** At just 1.5kg, fits seamlessly into any setup with minimal footprint

## Overview

The Ariston Water Heater Expansion Vessel Kit A is a compact, 2-litre capacity expansion tank designed to maintain optimal pressure in Ariston water heating systems. Featuring a durable brass construction, a maximum pressure rating of 10 bars, and an integrated 15mm check valve, this lightweight 1.5kg kit ensures easy installation and reliable performance, making it an essential upgrade for efficient and safe water heating.

## Description

Ariston Water Heater Expansion Vessel Kit A Pack Contains: 2 Litre Expansion Vessel 15mm Check Valve Suitable for Ariston Water Heaters

Review: Very good quality accumulator definate value for money. Easy installation with compact design, meaning less space taken up by system installation. Excellent buy.
Review: Nice and compact expansion vessel easy to fit with most basic tools ,you will need to get a pipe T connection ...compression or push fit or a solder joint if you like, it came with check valve Very quick delivery

## Features

- Ariston Water Heater Expansion Vessel Kit A
- Capacity 2 litres
- Weight 1.5kg
- Max pressure 10 bar

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00QVMB9KG |
| ASIN  | B00QVMB9KG |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #159,619 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #142 in Central Heating Systems & Accessories |
| Color | White |
| Customer Reviews | 4.5 4.5 out of 5 stars (239) |
| Customer reviews | 4.5 4.5 out of 5 stars (239) |
| Date First Available | 29 October 2023 |
| Date First Available  | 29 October 2023 |
| Is Discontinued By Manufacturer  | No |
| Item Package Quantity | 1 |
| Item Weight | 1.02 Kilograms |
| Item model number | 445190 |
| Item model number  | 445190 |
| Manufacturer | Ariston |
| Manufacturer  | Ariston |
| Material | Brass |
| Maximum Pressure | 10 Bars |
| Package Dimensions | 24.8 x 18.9 x 16 cm; 1.02 kg |
| Package Dimensions  | 24.8 x 18.9 x 16 cm; 1.02 kg |
| Part number | Kit A |
| Plug Profile | internal |
| Special Features | Check Valve Safety Feature |
| Style | Water Heater Accessory |

## Product Details

- **Brand:** Ariston
- **Capacity:** 2 Liters
- **Colour:** White
- **Material:** Brass
- **Special features:** Check Valve Safety Feature

## Images

![Water Heater Expansion Vessel Kit A - Image 1](https://m.media-amazon.com/images/I/61nQlF8a8jL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by L***S on 17 January 2022*

Very good quality accumulator definate value for money. Easy installation with compact design, meaning less space taken up by system installation. Excellent buy.

### ⭐⭐⭐⭐⭐ Review
*by R***. on 3 November 2021*

Nice and compact expansion vessel easy to fit with most basic tools ,you will need to get a pipe T connection ...compression or push fit or a solder joint if you like, it came with check valve Very quick delivery

### ⭐⭐⭐⭐ Review
*by T***Y on 30 November 2025*

This goes alongside with my all under sink heater been in the flat now for four years and no problems with it

## Frequently Bought Together

- Ariston Water Heater Expansion Vessel Kit A
- Ariston 406802 KIT B 3.5 BAR Pressure REDUCING Valve, Bronze
- Ariston 406807 KIT C Discharge TUNDISH (15MM-22MM), Black

---

## 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.com.ar/products/576938151-water-heater-expansion-vessel-kit](https://www.desertcart.com.ar/products/576938151-water-heater-expansion-vessel-kit)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-16*