---
product_id: 92537121
title: "Fernox 57882 F3 System Cleaner 1 Pint"
brand: "fernox"
price: "$164"
currency: NZD
in_stock: true
reviews_count: 4
category: "Fernox"
url: https://www.desertcart.nz/products/92537121-fernox-57882-f3-system-cleaner-1-pint
store_origin: NZ
region: New Zealand
---

# Works effectively in 1 week Restores crystal-clear system water Powerful sludge removal Fernox 57882 F3 System Cleaner 1 Pint

**Brand:** fernox
**Price:** $164
**Availability:** ✅ In Stock

## Summary

> 💧 Clean smarter, not harder — your boiler’s new best friend!

## Quick Answers

- **What is this?** Fernox 57882 F3 System Cleaner 1 Pint by fernox
- **How much does it cost?** $164 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/92537121-fernox-57882-f3-system-cleaner-1-pint)

## 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

- • **Deep System Detox:** Eliminates sludge, flux & debris for peak efficiency
- • **Compact & Convenient:** 1 pint size fits easily into any maintenance kit
- • **Boost Boiler Longevity:** Protects high-efficiency boilers from buildup
- • **Effortless Application:** Simply pour and run your boiler for a week
- • **Trusted Industry Leader:** From Fernox, a top name in water treatment

## Overview

Fernox 57882 F3 System Cleaner is a professional-grade chemical solution designed to remove sludge, flux, and debris from both new and existing central heating systems. Easy to use with a one-week treatment cycle, it restores water clarity and improves boiler efficiency, making it a must-have for maintaining high-performance heating systems.

## Description

Fernox is a leading manufacturer of water treatment chemical products, central heating system filters, plumbing consumables and diagnostic testing services.

Review: Works - I suppose it works. I drained the boiler until as clear as possible then I poured this in and left it for a week with the boiler heat on. After which I drained again until clear. Filled the boiler to spec and added the F3… works… water in the level shows the gunk settles leaving the to crystal clear
Review: Easy boiler cleaning - This cleaner was recommended to me for the high efficiency boilers we have. It was easy to use and appeared to do a good job on boiler and boiler/water water heater.

## Features

- Removes sludge, flux and debris from new and existing systems
- Package Weight: 0.625 kilograms
- Country of Origin : China
- Package Dimensions: 18.2 H x 4.6 L x 8.8 W (centimetres)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B07L4QXF84 |
| Best Sellers Rank | #154,234 in Automotive ( See Top 100 in Automotive ) #618 in Cleaners #6,634 in HVAC |
| Customer Reviews | 4.8 4.8 out of 5 stars (11) |
| Date First Available  | December 5, 2018 |
| Item model number  | 57882 |
| Manufacturer  | MONDALE & ASSOCIATES |
| Package Dimensions  | 7.48 x 4.53 x 2.01 inches; 1.41 Pounds |

## Product Details

- **Brand:** Fernox
- **Item Form:** Liquid
- **Item Volume:** 1 Pints
- **Material Feature:** Scented
- **Scent:** Citrus

## Images

![Fernox 57882 F3 System Cleaner 1 Pint - Image 1](https://m.media-amazon.com/images/I/51J5RL51DDL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works
*by A***R on December 12, 2024*

I suppose it works. I drained the boiler until as clear as possible then I poured this in and left it for a week with the boiler heat on. After which I drained again until clear. Filled the boiler to spec and added the F3… works… water in the level shows the gunk settles leaving the to crystal clear

### ⭐⭐⭐⭐⭐ Easy boiler cleaning
*by C***R on April 3, 2024*

This cleaner was recommended to me for the high efficiency boilers we have. It was easy to use and appeared to do a good job on boiler and boiler/water water heater.

### ⭐⭐⭐⭐⭐ This is recommended for multi-metal systems. Mine is aluminum, steel, stainless steel, and copper.
*by D***. on March 8, 2024*

Used for a high efficiency water boiler and indirect heater. Seems to clean well and so far no problems for two years.

## Frequently Bought Together

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

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-09*