---
product_id: 263872325
title: "Zilmet - 12 Litre Heating Expansion Vessel & Sealed System Kit Z1-301012"
brand: "zilmet"
price: "$394.08"
currency: USD
in_stock: true
reviews_count: 8
category: "Zilmet"
url: https://www.desertcart.us/products/263872325-zilmet-12-litre-heating-expansion-vessel-and-sealed-system-kit
store_origin: US
region: United States of America
---

# 90°C max operating temp 4 Bar max pressure Pre-charged 2 Bar, ready to install Zilmet - 12 Litre Heating Expansion Vessel & Sealed System Kit Z1-301012

**Brand:** zilmet
**Price:** $394.08
**Availability:** ✅ In Stock

## Summary

> 🔥 Upgrade your heating game with precision and peace of mind! ⚙️

## Quick Answers

- **What is this?** Zilmet - 12 Litre Heating Expansion Vessel & Sealed System Kit Z1-301012 by zilmet
- **How much does it cost?** $394.08 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/263872325-zilmet-12-litre-heating-expansion-vessel-and-sealed-system-kit)

## Best For

- zilmet enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Longevity:** SBR synthetic rubber membrane engineered for 15+ years of dependable service
- • **Plug & Play Installation:** Factory pre-charged and includes Tesla Sealed System Kit for hassle-free setup
- • **Heat-Resistant Durability:** Operates seamlessly at temperatures up to 90°C without compromise
- • **Pressure-Perfect Performance:** Handles up to 4 Bar ensuring system safety and reliability
- • **Built to Last, Designed to Fit:** Exact replacement with universal bracket compatibility for 8-24L vessels

## Overview

The Zilmet 12 Litre Heating Expansion Vessel & Sealed System Kit Z1-301012 is a robust, pre-charged expansion vessel designed for central heating systems. Featuring a durable carbon steel shell and SBR synthetic rubber membrane, it supports up to 4 Bar pressure and 90°C operating temperature. The kit includes a universal expansion bracket and Tesla Sealed System Installation Kit, ensuring a straightforward, long-lasting replacement solution trusted by professionals and DIY enthusiasts alike.

## Description

Zilmet - 12 Litre Heating Expansion Vessel & Sealed System Kit Z1-301012 Specifications: Max. Working Pressure: 4 Bar Max. Operating Temperature: 90°C Factory Pre-charge: 2 Bar Shell: Carbon Steel Connection: 3/4" MSP Carbon Steel Membrane: SBR Synthetic Rubber Height: 281mm Diameter: 294mm Includes: CAL-PRO 12 Heating Expansion Vessel Zilmet - Heating Vessel Expansion Bracket 8 12 18 24 Litre Tesla Sealed System Installation Kit - EVCKIT

Review: One stop shop - Great product and great value
Review: Done the job - Good value

## Features

- Includes: Zilmet 12 Litre Heating Expansion Vessel
- Heating Vessel Expansion Bracket for 8 12 18 24 Litre
- Tesla Sealed System Installation Kit - EVCKIT

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08LZKYZ7C |
| Best Sellers Rank | 105,533 in DIY & Tools ( See Top 100 in DIY & Tools ) 800 in Central Heating System Accessories |
| Customer Reviews | 4.6 4.6 out of 5 stars (45) |
| Date First Available | 27 Oct. 2020 |
| Item Package Quantity | 1 |
| Manufacturer | Zilmet |

## Images

![Zilmet - 12 Litre Heating Expansion Vessel & Sealed System Kit Z1-301012 - Image 1](https://m.media-amazon.com/images/I/614q9vztY+L.jpg)
![Zilmet - 12 Litre Heating Expansion Vessel & Sealed System Kit Z1-301012 - Image 2](https://m.media-amazon.com/images/I/61sWyV8em-L.jpg)
![Zilmet - 12 Litre Heating Expansion Vessel & Sealed System Kit Z1-301012 - Image 3](https://m.media-amazon.com/images/I/71c7O1D9O4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ One stop shop
*by S***N on 17 February 2025*

Great product and great value

### ⭐⭐⭐⭐⭐ Done the job
*by B***R on 13 September 2025*

Good value

### ⭐⭐⭐⭐⭐ Quick delivery worked as it should
*by M***G on 8 January 2026*

Good item worked as it should

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---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-12*