---
product_id: 168794470
title: "35 Litre Red Replaceable Membrane Heating Expansion Vessel Tank with 3/4 Connection by Aquasystem"
brand: "aquasystem"
price: "£123.29"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/168794470-35-litre-red-replaceable-membrane-heating-expansion-vessel-tank-3
store_origin: GB
region: United Kingdom
---

# Aqasystem quality 3/4" connection 35L capacity 35 Litre Red Replaceable Membrane Heating Expansion Vessel Tank with 3/4 Connection by Aquasystem

**Brand:** aquasystem
**Price:** £123.29
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate Your Heating Game with Aquasystem!

## Quick Answers

- **What is this?** 35 Litre Red Replaceable Membrane Heating Expansion Vessel Tank with 3/4 Connection by Aquasystem by aquasystem
- **How much does it cost?** £123.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/168794470-35-litre-red-replaceable-membrane-heating-expansion-vessel-tank-3)

## Best For

- aquasystem enthusiasts

## Why This Product

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

## Key Features

- • **📏 Compact Size:** Perfectly sized at 35 litres to fit in tight spaces without compromising performance.
- • **🔒 Safety First:** Built with high-quality materials to ensure safe operation under pressure.
- • **🔄 Easy Replacement:** Replaceable membrane ensures longevity and reduces maintenance costs.
- • **🌡️ Efficient Design:** Red color not only looks great but also enhances visibility in your setup.
- • **🔧 Reliable Performance:** Engineered for optimal pressure management in heating systems.

## Overview

The 35 Litre Red Replaceable Membrane Heating Expansion Vessel Tank by Aquasystem is designed to efficiently manage pressure in heating systems. With a robust 3/4 connection and a striking red finish, this vessel combines functionality with style, ensuring both safety and reliability in your heating setup.

## Description

Vessel with internal membrane preventing water contact with the steel shell, stopping internal corrosion. Vessel can be serviced without being removed due to replaceable membrane. Vessel has pre-charged valve for topping up air pressure.

## Features

- Expandion Vessel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Aqasystem |
| Part Number | 5521495 |
| Manufacturer reference | 5521495 |
| Colour | Red |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |

## Images

![35 Litre Red Replaceable Membrane Heating Expansion Vessel Tank with 3/4 Connection by Aquasystem - Image 1](https://m.media-amazon.com/images/I/41iVpZMuqVL.jpg)

## Frequently Bought Together

- 35 Litre Red Replaceable Membrane Heating Expansion Vessel Tank with 3/4 Connection by Aquasystem
- Caleffi - 22mm Inlet Control Multibloc Valve Group 533002CST
- Caleffi Multibloc Cold Water Control Valve 533112CST 3 & 6 Bar - Circlip

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**Shop now:** [https://www.desertcart.co.uk/products/168794470-35-litre-red-replaceable-membrane-heating-expansion-vessel-tank-3](https://www.desertcart.co.uk/products/168794470-35-litre-red-replaceable-membrane-heating-expansion-vessel-tank-3)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-17*