Fernox F3 cleaner is a neutral universal cleanser for pre-commissioning new systems or restoring heating efficiency of existing systems. Easy to use even with the system running it removes sludge, limescale and other debris. Used in conjunction with the F1 protector, gas savings of up to 15% can be achieved every time you heat your room.

• Removes sludge, scale and flux residues
• Compatible with all metals and materials commonly used in heating systems
• Suitable for use with all known powerflushing machines
• 500ml easy-pour bottle
• Non-toxic, environmentally friendly formulation
• Carbon footprint certified by the Carbon Trust