Ideal for boiler sludge remover tasks, this fast-acting, non-hazardous formula meets BS 7593:2019 standards for pre-commission cleaning.

Why Fernox Cleaner F3 265ml Excels as a Boiler System Cleaner

• Sludge & Limescale Removal: Dissolves buildup in radiators, boilers, and pipes for optimal heat transfer and quiet operation.
• Pre-Commission Ready: Clears flux residues in new installs to extend lifespan.
• Energy Savings: Pair with Fernox Protector F1 for 15% gas reduction per cycle—great for underfloor heating.
• Eco-Compact Design: 265ml treats 100L water, 12 radiators, or 190m² underfloor, minimizing waste.
• Universal Fit: Safe for all metals, including aluminum, in any central heating cleaner setup.

Easy Application for Fernox F3 Central Heating Cleaner

Use via manual flush, magnetic/power flushing, or TF1 dosing—pH-neutral for hassle-free eco-friendly heating maintenance.

\Why Fernox Cleaner F3 265ml Stands Out

Trusted Fernox range delivers proven boiler system cleaner results: 15% gas savings, broad compatibility, low carbon footprint, and BS 7593:2019 compliance.

Upgrade with Fernox Cleaner F3 Today

Transform your heating with Fernox F3—the top central heating cleaner for cleaner, quieter, efficient systems. Pair with Protector F1 for max energy-saving boiler treatment.