---
product_id: 725950054
title: "Fernox F1 500ml Central Heating Protector Radiator Corrosion Limescale Inhibitor"
brand: "fernox"
price: "R211"
currency: ZAR
in_stock: false
url: https://www.desertcart.co.za/products/725950054-fernox-f1-500ml-central-heating-protector-radiator-corrosion-limescale-inhibitor
store_origin: ZA
region: South Africa
---

# Fernox F1 500ml Central Heating Protector Radiator Corrosion Limescale Inhibitor

**Brand:** fernox
**Price:** R211
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Fernox F1 500ml Central Heating Protector Radiator Corrosion Limescale Inhibitor by fernox
- **How much does it cost?** R211 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/725950054-fernox-f1-500ml-central-heating-protector-radiator-corrosion-limescale-inhibitor)

## Best For

- fernox enthusiasts

## Why This Product

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

## Description



## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 18.49 x 8.99 x 5.51 cm; 498.95 g |

## Product Details

- **Item Volume:** 500 Milliliters
- **Unit Count:** 500.0 ミリリットル
- **Number of Items:** 1
- **Item Weight:** 1.1 Pounds
- **Contains Liquid Contents:** Yes
- **Global Trade Identification Number:** 05014551565999, 05698292057540

## Images

![Fernox F1 500ml Central Heating Protector Radiator Corrosion Limescale Inhibitor - Image 1](https://m.media-amazon.com/images/I/71vgSqRV2bL.jpg)
![Fernox F1 500ml Central Heating Protector Radiator Corrosion Limescale Inhibitor - Image 2](https://m.media-amazon.com/images/I/61HGl4Zz15L.jpg)

## Questions & Answers

**Q: How do i add this f1 to steam boiler? can i add it through an air vent hold on a radiator? thanks**
A: My boiler isn’t steam, it’s hot water. But the directions that I was given was to remove/drain all of the current water in the system completely after the boiler has cooled off. Then add the cleaner. Now what I did was to add a shark bite  “T”and poured it into the system as I didn’t have another other place to put it in.  Then I removed the “T” and replaced it with a coupler.  But on a steam system I would think that you could add it to your radiator top vent and put it in then refill the system.   After it’s refilled your going to run it if a few days. I’m doing mine a little longer, like 10 days. So during that time the chemical is going to move around and clean the system.  Just make sure you turn off the boiler before you start doing any work on it.  I hope that this helps

**Q: How many gallons will this treat?**
A: My bottle says that it will treat up to 34 US gallons.

## Frequently Bought Together

- Fernox 56599 F1 500 ml Central Heating Protector
- Fernox 57882 F3 System Cleaner 1 Pint
- Fernox 62436 Central Heating Protector F1 Express - 400ML

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**Shop now:** [https://www.desertcart.co.za/products/725950054-fernox-f1-500ml-central-heating-protector-radiator-corrosion-limescale-inhibitor](https://www.desertcart.co.za/products/725950054-fernox-f1-500ml-central-heating-protector-radiator-corrosion-limescale-inhibitor)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-17*