Fernox Protector+ Filter Fluid F9 This game-changing inhibitor, crafted for Fernox TF1 and similar in-line filters, blends a powerful dispersant with top-notch corrosion and scale protection. Keep your system spotless, efficient, and built to last with this eco-friendly, industry-leading formula.

Why Fernox Protector+ Filter Fluid F9

Designed to work hand-in-hand with system filters, F9 delivers a knockout punch to debris and corrosion, ensuring your heating or cooling system runs like a dream:

• Debris-Busting Dispersant: Sweeps up corrosion, sludge, and scale, guiding them straight to your filter for easy removal.
• Ironclad Protection: Shields mixed-metal systems, including aluminium, from corrosion and limescale, keeping your boiler and pipes in top shape.
• Massive Coverage: One bottle tackles 130L, 16 radiators, or 250m² of underfloor heating, powering up most UK homes with ease.
• Set It and Forget It: Stays in your system for nonstop protection—just check levels yearly during maintenance.
• Green Vibes Only: Non-toxic, planet-friendly formula for guilt-free system care.

What Makes Protector+ Filter Fluid F9

• Filter Turbocharger: Supercharges TF1 and other filters, trapping debris like a pro for a cleaner system.
• Energy-Saving Star: Keeps heat transfer at its peak, slashing energy bills and boosting efficiency.
• Eco-Warrior Approved: Safe, sustainable, and built for long-term performance.
• Fernox Protector+ Filter Fluid F9, heating system inhibitor, corrosion protection, scale prevention, TF1 filter fluid, underfloor heating maintenance.

How to Use F9

Pump F9 into your system via a radiator, filling loop, or TF1 Filter—no fuss, no mess! Pair it with Fernox Cleaner F3 for a deep clean before adding F9. Use only with an in-line filter to maximize debris capture. Check concentration annually to keep your system firing on all cylinders.