
Fernox F3 Central Heating Cleaner, 500ml
£25.83 ex. VAT
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Product details
Description
About this product
Fernox F3 Central Heating Cleaner, 500ml
Fernox F3 is a 500ml neutral universal central heating cleaner. It removes sludge, limescale and other debris to restore heating efficiency in existing systems, and is used for pre-commissioning new systems to BS7593:2006.
Fernox heating cleaner features
- Neutral universal cleaner
- Pre-commissioning cleaning to BS7593:2006
- Removes sludge, limescale and debris
- Compatible with all metals commonly used in heating systems
- System can be left running during cleaning
- Suitable for all known powerflushing machines
- pH neutral, non-hazardous
Specifications
| Brand | Fernox |
| Product | F3 |
| Size | 500ml |
| Type | pH neutral cleaner |
New system or old?
On a new installation this Fernox cleaner prepares the pipework before commissioning. On an older system it works as a sludge remover. It is also a powerflushing cleaner, suited to all known machines. Fernox says gas savings of up to 15% are possible when used with Protector F1.
How to use
- Follow the dosing guidance on the F3 cleaner 500ml bottle.
- Add it to the system and leave the heating running normally.
- Drain and flush when cleaning is complete.
- Refill and add a protector.
FAQs
Can I leave the system running?
Yes, the system can run normally during cleaning.
Is it safe on all metals?
It is compatible with all metals commonly used in heating systems.
Who should service the boiler?
Ask a Gas Safe engineer to check or service your boiler.
Specifications
- Neutral universal cleaner
- Pre-commissioning cleaning to BS7593:2006
- Removes sludge, limescale and debris
- Compatible with all metals commonly used in heating systems
- System can be left running during cleaning
- Suitable for all known powerflushing machines
- pH neutral, non-hazardous
| Brand | Fernox |
|---|---|
| Product | F3 |
| Size | 500ml |
| Type | pH neutral cleaner |
Frequently asked questions
Can I leave the system running?
Yes, the system can be left running normally during cleaning.
Delivery & returns
Delivery (UK only)
- Standard delivery £4.99, or free on orders of £50 or more. Arrives 2 to 3 working days after dispatch.
- Express delivery £6.99. Arrives the next working day after dispatch.
- Order before 1pm Monday to Friday and it is dispatched the same working day. Later orders, and orders placed at the weekend, are dispatched the next working day.
- We do not dispatch at weekends or on UK bank holidays.
- Remote postcodes can take longer. Heavy items may come on a pallet.
Returns
- Changed your mind? Tell us within 14 days of delivery, then send it back within a further 14 days.
- Faulty items can be returned within 30 days.
- Tinted or mixed paint, opened sealants and chemicals, and cut-to-size goods cannot be returned.









