

© Linx Square. All rights reserved. Product designs, imagery and specifications remain the property of their respective manufacturers and may not be copied or reproduced without permission.
Frequently bought together
Delivery & Returns
- Orders over £300
- Free UK delivery
- Tiles & flooring orders
- £60 flat rate per order
- All other orders
- £100 flat rate per order
- Delivery time
- Up to 20 business days • Fully tracked
- Returns window
- 14 days from receipt, in-stock items in original condition
Fernox Protector F1 265ml gives long-term protection against internal corrosion and limescale formation in central heating systems. Suitable for all types of boilers, radiators and pipework systems, this product is compatible with all metals and materials commonly used in central heating systems, including aluminium.
Part of the Fernox tried and trusted Protector F1 range, this 265ml product offers reduced packaging and waste without compromising on high performance, quality and ease of use. This conveniently size bottle can treat an average 100 litre system or 12 radiators and maybe dosed via a TF1 Filter.
- Stops corrosion and scale to extend system life and efficiency
- Use in mixed metal heating systems, including aluminium
- High performance pH buffering for optimum system pH control
- Prevents radiator cold spots, sticking pumps and boiler noise
- Treats an average sized UK home of up to 100L, 12 radiators and 190 sqm of underfloor heating. Smaller volume product – less packaging waste and lower environmental impact.
- Can be conveniently dosed via any Fernox TF1 Filter
Got a Question?
Download Installation & Maintenance Guides
You may also like
Complete the look
Secure your order
See the finish in your own light before you commit.
Project pricing, dedicated support and priority lead times.
Spread the cost with Klarna or PayPal, subject to status.
Customer reviews
No reviews yet — be the first to share your experience.
Write a Review
Reviews will appear here once customers submit them.
Contact us
Book a consultation
Talk a project through with our team — sizes, quantities and what else you will need before you order.
Book a consultation






















