---
product_id: 55160790
title: "50L Pressure Tank Vessel Expansion for Domestic Waterworks Pump EPDM-Membrane Drinking Water"
brand: "wiltec"
price: "2728 kr"
currency: DKK
in_stock: true
reviews_count: 8
category: "Wil Tec"
url: https://www.desertcart.dk/products/55160790-50l-pressure-tank-vessel-expansion-for-domestic-waterworks-pump-epdm
store_origin: DK
region: Denmark
---

# 50L capacity for ample water buffering Replaceable EPDM membrane for durability 5.6 bar max pressure rating 50L Pressure Tank Vessel Expansion for Domestic Waterworks Pump EPDM-Membrane Drinking Water

**Brand:** wiltec
**Price:** 2728 kr
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your waterworks flowing flawlessly — pressure perfected!

## Quick Answers

- **What is this?** 50L Pressure Tank Vessel Expansion for Domestic Waterworks Pump EPDM-Membrane Drinking Water by wiltec
- **How much does it cost?** 2728 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/55160790-50l-pressure-tank-vessel-expansion-for-domestic-waterworks-pump-epdm)

## Best For

- wiltec enthusiasts

## Why This Product

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

## Key Features

- • **Robust 50L Capacity:** Generous volume to stabilize your domestic water pressure seamlessly.
- • **Durable EPDM Membrane:** Heat and aging resistant membrane that’s easily replaceable, extending the vessel’s lifespan.
- • **Smart Pressure Control:** Integrated Schrader valve allows precise counter-pressure adjustments to optimize pump efficiency.
- • **Universal Compatibility:** Fits nearly all domestic waterworks, solar, and garden pump systems with a standard 1" connector.
- • **High-Pressure Resilience:** Engineered to withstand up to 5.6 bar, ensuring reliable performance under demanding conditions.

## Overview

The WilTec 50L Pressure Tank Vessel Expansion is a high-quality, steel-constructed expansion tank designed for domestic water systems. Featuring a heat-resistant, replaceable EPDM membrane and a max pressure rating of 5.6 bar, it ensures stable water pressure for cold/hot water, solar, and garden pump applications. Its vertical design and integrated Schrader valve provide easy installation and precise pressure regulation, making it a reliable upgrade for any home waterworks setup.

## Description

Replacement 50 litre pressure vessel for use in sanitary cold/hot water systems, suitable for nearly all domestic waterworks, solar and pressure maintenance systems, and garden pumps. This pressure vessel (type 50 LVS) will be delivered including the EPDM rubber membrane. The vessel is designed for a maximum pressure of 5.6 bar and will be delivered for a vertical positioning. The vessel is checked for tightness with up to 5.6 bar water pressure by the producer. It has a 32.89–33.25-mm (1″) pump connector. The pressure vessel additionally has an integrated valve (Schrader valve/car tyre valve) to regulate the counter-pressure in the space between tank and membrane. These vessels are made of quality-steel sheets and are welded according to UNI-EN standards and equipped with a heat and ageing resistant EPDM rubber membrane. The membrane can easily be exchanged. About the pre-charge in the pressurised vessel: The pre-charge pressure should be set approximately 0.1–0.2 bar lower than the switch-on pressure of the pump and has to be checked regularly. Any failure of observance may cause damage on the EPDM rubber diaphragm of the pressure vessel. A more accurate calculation results from the formula “switch-on pressure of the pump x 0.9.” Example: Switch-on pressure of the pressure switch of the domestic waterworks is set to 1.5 bar: 1.5 bar x 0.9 = 1.35 bar. This means that the pressure can be set from 1.3–1.4 bar. Important: The pressure of the vessel should only be inflated or deflated after the pressure to the water system has been released beforehand. Attention: It is necessary to have released the air and water pressure before opening of the pressure vessel!

Review: Vessel - Excellent price and good quality
Review: Pump for private water supply - Replaced a smaller model but working perfectly.

## Features

- Advantages of the expansion vessels

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004BEJA52 |
| Best Sellers Rank | 53,602 in DIY & Tools ( See Top 100 in DIY & Tools ) 94 in Water Pumps & Accessories 199 in Heater Parts & Accessories |
| Brand | WilTec |
| Colour | 50 L |
| Country of Origin | China |
| Customer Reviews | 4.3 out of 5 stars 3,680 Reviews |
| Item Dimensions L x W x H | 77L x 35W x 34H centimetres |
| Item Weight | 6.88 Kilograms |
| Manufacturer | WilTec |
| Material | Steel , EPDM |
| Model Number | 50 LVS |
| Power source | Electric |
| Product Style | Vertical |
| Product dimensions | 77L x 35W x 34H centimetres |
| Style | Vertical |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** WilTec
- **Colour:** 50 L
- **Item weight:** 6.88 Kilograms
- **Manufacturer:** WilTec
- **Material:** Steel, EPDM
- **Power source:** Electric
- **Product dimensions:** 77L x 35W x 34H centimetres
- **Style:** Vertical

## Images

![50L Pressure Tank Vessel Expansion for Domestic Waterworks Pump EPDM-Membrane Drinking Water - Image 1](https://m.media-amazon.com/images/I/61yegkIJ5QL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Vessel
*by C***L on 22 October 2025*

Excellent price and good quality

### ⭐⭐⭐⭐⭐ Pump for private water supply
*by A***R on 6 June 2025*

Replaced a smaller model but working perfectly.

### ⭐⭐⭐⭐⭐ Expansion tank
*by R***E on 28 June 2025*

Well made does the job

## Frequently Bought Together

- 50L Pressure Tank Vessel Expansion for Domestic Waterworks Pump EPDM-Membrane Drinking Water
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- Flexible Steel Hose 1m 1" for Domestic Waterworks

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**Shop now:** [https://www.desertcart.dk/products/55160790-50l-pressure-tank-vessel-expansion-for-domestic-waterworks-pump-epdm](https://www.desertcart.dk/products/55160790-50l-pressure-tank-vessel-expansion-for-domestic-waterworks-pump-epdm)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-05*