---
product_id: 214597225
title: "Sponsored Ad – CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor"
brand: "coswarm"
price: "₨39344"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/214597225-sponsored-ad-cw3-central-heating-system-cleaner-treats-up-to18
store_origin: LK
region: Sri Lanka
---

# Super concentrated 500ml bottle Treats up to 18 radiators Non-toxic & non-acidic formula Sponsored Ad – CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor

**Brand:** coswarm
**Price:** ₨39344
**Availability:** ✅ In Stock

## Summary

> 🔥 Clean smarter, heat better — don’t let sludge steal your warmth!

## Quick Answers

- **What is this?** Sponsored Ad – CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor by coswarm
- **How much does it cost?** ₨39344 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/214597225-sponsored-ad-cw3-central-heating-system-cleaner-treats-up-to18)

## Best For

- coswarm enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Maintenance:** Simply pour in and run your system as usual—cleaning central heating has never been this easy.
- • **Powerful Concentration:** One 500ml bottle treats up to 18 radiators—no need for extra products or complicated setups.
- • **Universal Compatibility:** Safe for all boiler, radiator & pipe materials—perfect for both new and existing systems.
- • **Eco-Safe & User-Friendly:** Non-toxic, non-acidic formula ensures safety for your home, family, and the environment.
- • **Maximize Heating Efficiency:** Effectively removes rust, sludge, scale & debris to keep your system running at peak performance.

## Overview

CosWarm CW3 is a super concentrated, non-toxic central heating system cleaner designed to treat up to 18 radiators. It safely removes rust, sludge, scale, and debris from boilers, radiators, and pipework, enhancing heating efficiency and prolonging system life. Compatible with all common metals and materials, it’s easy to use without interrupting your heating routine.

## Description

Sponsored Ad – CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor

## Features

- EFFECTIVE CLEANSING OF CENTRAL HEATING SYSTEM: Regular cleaning of heating systems can prevent it from damage. Use CosWarm CW3 boiler cleaner to effectively remove scale, sludge and debris and retain the heating efficiency of your heating systems.
- SUITABLE FOR EXISTING & NEW HEATING SYSTEMS: CosWarm CW3 central heating system cleaner can be used for all types of boiler, radiators and pipework systems. Radiator cleaner is compatible with all metals and materials commonly used in central heating systems.
- NON-TOXIC & NON ACIDIC: Our non-toxic and non-acidic boiler and radiator descaler is a safer alternative compared to other toxic, chemical formulas. It is safe to use around people, the environment and your heating systems.
- SUPER CONCENTRATED FORMULA: Our highly concentrated formula requires no secondary containment for it to work. 500 ml of CosWarm CW3 central heating system cleaner can treat up to 18 single radiators (150-litre system).
- EASY TO USE: Our central heating cleaner makes boiler cleaning a breeze. The system can be left running normally while you are using our boiler cleaner. And it’s easy to use; just pour the chemical in the system according to instructions and let it work. Treat with CW1 inhibitor after use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 500.0 millilitre |
| Brand | CosWarm |
| Format | Liquid |

## Product Details

- **Brand:** CosWarm
- **Item form:** Liquid
- **Item volume:** 500 Millilitres
- **Unit count:** 500.0 millilitre
- **Surface recommendation:** Metal
- **Special feature:** Descaler, Non Toxic, Concentrated
- **Number of items:** 1
- **Item weight:** 17 Ounces
- **Contains liquid contents:** Yes
- **Manufacturer:** CosWarm

## Images

![Sponsored Ad – CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor - Image 1](https://m.media-amazon.com/images/I/81oeolIkOML.jpg)
![Sponsored Ad – CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor - Image 2](https://m.media-amazon.com/images/I/816Evij5bpL.jpg)
![Sponsored Ad – CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor - Image 3](https://m.media-amazon.com/images/I/81F3mT0NO2L.jpg)
![Sponsored Ad – CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor - Image 4](https://m.media-amazon.com/images/I/81Y3J85NtYL.jpg)
![Sponsored Ad – CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor - Image 5](https://m.media-amazon.com/images/I/71tScHxMQDL.jpg)

## Frequently Bought Together

- CosWarm CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor
- CosWarm CW1 Central Heating System Inhibitor & Protector - Treats Upto 18 Radiators - Rust, Limescale, Sludge & Corrosion Preventer & Protection Treatment Fluid for Boilers & Underfloor Heating
- 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.lk/products/214597225-sponsored-ad-cw3-central-heating-system-cleaner-treats-up-to18](https://www.desertcart.lk/products/214597225-sponsored-ad-cw3-central-heating-system-cleaner-treats-up-to18)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-29*