---
product_id: 321833947
title: "F3 CENTRAL HEATING CLEANER by Fernox"
brand: "fernox"
price: "€ 86.63"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/321833947-f3-central-heating-cleaner-by-fernox
store_origin: HR
region: Croatia
---

# Cleans 100L system per pint Speeds up powerflushing Removes sludge & scale F3 CENTRAL HEATING CLEANER by Fernox

**Brand:** fernox
**Price:** € 86.63
**Availability:** ✅ In Stock

## Summary

> 🔥 Clean smarter, save bigger with Fernox F3!

## Quick Answers

- **What is this?** F3 CENTRAL HEATING CLEANER by Fernox by fernox
- **How much does it cost?** € 86.63 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/321833947-f3-central-heating-cleaner-by-fernox)

## Best For

- fernox enthusiasts

## Why This Product

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

## Key Features

- • **Cost-Saving Combo:** Use with Protector F1 to slash gas bills by up to 15%
- • **Deep System Detox:** Eradicates sludge, scale, and flux residues for peak boiler health
- • **Perfect Pint Size:** One bottle cleans an average 3-4 bedroom home heating system
- • **Optimized Efficiency:** Helps extend boiler lifespan and system performance
- • **Powerflush Accelerator:** Boosts cleaning speed during powerflushing sessions

## Overview

Fernox F3 Central Heating Cleaner is a powerful liquid formula designed to remove sludge, scale, and debris from both new and existing heating systems. Ideal for accelerating powerflushing, it cleans a typical domestic system with just one pint, helping extend boiler life and improve efficiency. When paired with Protector F1, users can achieve up to 15% gas savings.

## Description

FernoxF3 CENTRAL HEATING CLEANER by Fernox

## Features

- Fernox F3 1 Pint is an effective cleaner to remove sludge, scale and debris from new & existing central heating systems.
- Cleaner F3 removes flux residues and other debris to help extend the life of the boiler and the efficiency of the system. It is ideal for use when powerflushing to accelerate the cleaning process. Available in 1 pint liquid bottle
- When used in conjunction with Protector F1 gas savings of up to 15% can be achieved
- One 1 pint bottle of Cleaner F3 is sufficient to clean a typical domestic central heating system (average 3 to 4 bedroom house or 100 litres).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Weight | 1.5 Kilograms |
| Units | 500.0 millilitre |
| Brand | Fernox |
| Format | Liquid |

## Product Details

- **Brand:** Fernox
- **Item form:** Liquid
- **Scent:** Unscented
- **Specific uses for product:** Bottle
- **Material features:** Central Heating Cleaner

## Images

![F3 CENTRAL HEATING CLEANER by Fernox - Image 1](https://m.media-amazon.com/images/I/61kn7f1EGQL.jpg)

## Frequently Bought Together

- Fernox 56600 500ml F3 Cleaner
- Fernox 56599 F1 500 ml Central Heating Protector
- QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System

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**Shop now:** [https://www.desertcart.hr/products/321833947-f3-central-heating-cleaner-by-fernox](https://www.desertcart.hr/products/321833947-f3-central-heating-cleaner-by-fernox)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-04-23*