Fernox central heating system care set Cleaner F3 and Protector F1 set, 265ml each Water quality test Reliable and precise measurement results:

Reliable and precise measurement results: the dual valve system (twin-valve) allows self-testing of the pump

Corefix bridges the gap between the plasterboard and the solid wall behind with a steel core fixing

Dual flush

No fixings required

Easy clean rubber plate preventing scale build up

Fernox central heating system care set Cleaner F3 and Protector F1 set, 265ml each Water quality test Reliable and precise measurement results:Description Fernox Cleaner F3 and F1 inhibitor set, 265ml each product description: About F3 cleaner: Fernox Cleaner F3 265ml is a universal, fast acting and effective pH neutral cleaner for central heating systems. It is designed to remove debris, sludge and scale from existing systems. It restores heating efficiency and eliminates boiler noise. Designed for pre commission cleaning of new installations in accordance with BS 7593: 2019, by removing