---
product_id: 55101660
title: "Thermex round slim 30 litre boiler, storage water heater"
brand: "thermex"
price: "€ 833.68"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/55101660-thermex-round-slim-30-litre-boiler-storage-water-heater
store_origin: HR
region: Croatia
---

# 1500W power - fast 1h5m heat-up 30L capacity - ample daily hot water 5-year tank warranty - long-term reliability Thermex round slim 30 litre boiler, storage water heater

**Brand:** thermex
**Price:** € 833.68
**Availability:** ✅ In Stock

## Summary

> 🔥 Hot water, cool design – your daily comfort upgrade 💧

## Quick Answers

- **What is this?** Thermex round slim 30 litre boiler, storage water heater by thermex
- **How much does it cost?** € 833.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/55101660-thermex-round-slim-30-litre-boiler-storage-water-heater)

## Best For

- thermex enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** CE-certified with built-in pressure relief & check valves
- • **Efficient Heating:** 1500W power ensures hot water ready in just over an hour
- • **Compact & Sleek Design:** Slim 365mm diameter fits effortlessly in modern spaces
- • **Durable Bio Glass Tank:** Corrosion-resistant lining for lasting performance
- • **Peace of Mind Warranty:** 5 years on tank, 2 years on boiler for worry-free use

## Overview

The Thermex Round Slim 30L storage water heater combines a compact footprint with powerful 1500W heating, delivering hot water in just 65 minutes. Featuring a durable bio glass-lined tank and advanced safety valves, it’s CE-certified for European standards. With a sleek 365mm diameter and a robust 5-year warranty on the tank, it’s the perfect blend of efficiency, style, and reliability for modern homes.

## Description

The Thermex Round Slim Form is a no -nonsense storage water heater for anyone who wants to have plain warm water available. Nevertheless, there is attention paid to the finish of this model . A good example is the compact diameter of only 365 mm ! A thermometer is just as standard . The device is completely safe to use . The boiler is CE - certified and can be used throughout Europe . Moreover, this device features a supplied inlet combination which also works as a pressure relief valve and check valve . On the device , we provide 2 years warranty on the boiler and even 5 years ! features : Brand : Thermex Type : ES 30 V ( Vertical mounting ) Weight: 13,5 Kg . Dimensions : 365 x 503 mm ( D x H ) Capacity : 30 Liter Power: 1500 Watt / 230 Volt . Power consumption : 1.08 kW . per 24 hours. Warm-up time : 1 hour 5 minutes Package contents: Boiler, manual , extra heavy wall anchors for wall mounting and check valve .

## Features

- storage water heater 30 liter
- Bio glass lined tank
- Power: 1500 W
- thermo gauge
- 5 years warranty on the tank

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Thermex |
| Part Number | ES 30 V |
| Product Dimensions | 36.5 x 37.49 x 50.29 cm; 13.5 kg |
| Item model number | ES 30 V |
| Colour | White |
| Voltage | 230 Volts |
| Wattage | 1500 watts |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 13.5 kg |

## Product Details

- **Brand:** Thermex
- **Colour:** White
- **Wattage:** 1500 watts
- **Voltage:** 230 Volts
- **Heat output:** 1500 Watts

## Images

![Thermex round slim 30 litre boiler, storage water heater - Image 1](https://m.media-amazon.com/images/I/71OEILqiSrL.jpg)

## Questions & Answers

**Q: Has this boiler a Manual temperature control knob**
A: Yes, it has.

**Q: Does this water heater need a pressure vessel fitted?**
A: No, it doesn't need a pressure vessel. It is supplied with a safety valve that must be installed on the cold water inlet.

**Q: What’s the maximum water pressure for thermax 30 litres  unvented heaters**
A: That is 6 bars

**Q: Is this item vented or unvented?**
A: It's unvented, it needs to be pressurized by water.

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**Shop now:** [https://www.desertcart.hr/products/55101660-thermex-round-slim-30-litre-boiler-storage-water-heater](https://www.desertcart.hr/products/55101660-thermex-round-slim-30-litre-boiler-storage-water-heater)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-05*