---
product_id: 50498337
title: "56599 500ml F1 Protector"
brand: "fernox"
price: "236.31 DT"
currency: TND
in_stock: true
category: "Fernox"
url: https://www.desertcart.tn/products/50498337-56599-500ml-f1-protector
store_origin: TN
region: Tunisia
---

# Up to 15% gas savings Eco-friendly & non-toxic Corrosion & limescale protection 56599 500ml F1 Protector

**Brand:** fernox
**Price:** 236.31 DT
**Availability:** ✅ In Stock

## Summary

> 🛠️ Protect your heat, save your green—because your home deserves the best.

## Quick Answers

- **What is this?** 56599 500ml F1 Protector by fernox
- **How much does it cost?** 236.31 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/50498337-56599-500ml-f1-protector)

## 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

- • **Eco-Conscious Heating:** Carbon Footprint certified and non-toxic formula keeps your system green and clean.
- • **Ultimate System Defense:** Protects all metals in your central heating system from corrosion and limescale buildup for long-lasting performance.
- • **Silent & Smooth Operation:** Prevents boiler noise, sticking pumps, and cold spots—enjoy a quieter, more comfortable home.
- • **Easy Maintenance, Guaranteed:** Treats up to 100L or 10 radiators with simple annual checks using the Fernox Protector Test Kit.
- • **Maximize Efficiency, Minimize Bills:** Achieve up to 15% gas savings when paired with Cleaner F3—your wallet will thank you.

## Overview

Fernox 56599 500ml F1 Protector is a premium liquid additive designed to safeguard mixed metal central heating systems from corrosion and limescale. Compatible with all common metals and materials, it enhances system efficiency, reduces maintenance costs, and can deliver up to 15% gas savings when used with Cleaner F3. Certified carbon footprint friendly and non-toxic, it ensures quieter operation by preventing boiler noise and sticking pumps, treating up to 100L or 10 radiators per bottle.

## Description

Product Description Fernox protector F1 liquid protects against corrosion and scale in mixed metal central heating systems. When used in conjunction with Cleaner F3 gas savings of up to 15 percent can be achieved every time you heat your room. Carbon Footprint certified by the Carbon Trust. Stops frequent venting of radiators. Prevents sticking pumps and boiler noise. Reduces maintenance costs and saves on fuel bills. Prevents cold spots in radiators. Non toxic, environmentally friendly. Volume: 500ml.Fernox Protector F1 gives long-term protection of domestic central heating systems against internal corrosion and limescale formation. It prevents corrosion of all metals found in these systems, i.e. ferrous metals, copper and copper alloys and aluminium. It is suitable for all types of boiler, radiators and pipe work systems. Fernox Protector F1 is compatible with all metals and materials commonly used in central heating systems. For continued protection we recommend Protector F1 levels are checked regularly (annually). The concentration of the product can be easily measured on site using a Fernox Protector Test Kit. Box Contains 1 x Protector F1 Liquid bottle 500ml

## Features

- Contains benzisothiazolone. May produce an allergic reaction.
- Protects against corrosion and limescale in central heating systems
- When used in conjunction with Cleaner F3 gas savings of up to 15% can be achieved
- Reduces maintenance costs and saves on fuel bills
- Treats 100L system or up to 10 single radiators
- Compatible with all metals and materials commonly used in central heating systems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00BL8CVZM |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 158,740 in Garden ( See Top 100 in Garden ) 158 in Patio Heaters |
| Customer Reviews | 4.7 4.7 out of 5 stars (89) |
| Date First Available | 21 Feb. 2013 |
| Guaranteed software updates until | unknown |
| Item Package Quantity | 1 |
| Item Weight | 658 g |
| Item model number | 56599 |
| Manufacturer | Fernox |
| Package Dimensions | 20.8 x 9.8 x 6.8 cm; 658 g |
| Part Number | 56599 |
| Power Source | Gas Powered |

## Images

![56599 500ml F1 Protector - Image 1](https://m.media-amazon.com/images/I/81aL6yd2EBL.jpg)

## Frequently Bought Together

- Fernox 56599 500ml F1 Protector
- Fernox 56600 500ml F3 Cleaner
- Just Dose It Central Heating Dosing Tool, Radiator Dosing Funnel - For Adding Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100

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**Shop now:** [https://www.desertcart.tn/products/50498337-56599-500ml-f1-protector](https://www.desertcart.tn/products/50498337-56599-500ml-f1-protector)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-02*