

Fernox
FERNOX CLEANER F3 500ML
FERNOX CLEANER F3 500ml is a pH neutral, non-foaming liquid cleaner for central heating systems. It removes sludge, scale, flux residues, and installation debris from new and existing systems to restore heating efficiency, reduce boiler noise, and help extend boiler and system life. It is also suitable for use with powerflushing machines.
Non-returnable
€36,28
€36,29
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Product Details
| Specification | Details |
|---|---|
| Product Name | FERNOX CLEANER F3 500ml |
| Product Type | Central heating system cleaner |
| Form | Liquid |
| Volume | 500 ml |
| Application | New and existing central heating systems |
| Function | Removes sludge, limescale, flux residues, and other debris |
| Formula | pH neutral |
| Foaming | Non-foaming |
| System Benefit | Restores heating efficiency and helps reduce boiler noise |
| Compatibility | Compatible with metals and materials commonly used in heating systems, including aluminium |
| Use with Powerflushing | Yes |
| Cleaning Time | At least 1 hour circulation hot; can be extended up to 1 week for heavily fouled systems |
| Recommended Follow-Up | Drain and flush until water runs clear; often followed by Protector F1 |
| Standard Reference | Suitable for commissioning in line with BS 7593:2019 best practice |
