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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
As part of the Express range
Adaptive start technology: This thermostat comes with adaptive start technology that learns your home's unique heating characteristics
non-toxic and non-foaming formulation• Compatible with all metals and system materials
12 radiators or 190m² UFH• Smaller bottle reduces packaging waste and environmental impact• pH-neutral
Each zone connects to its own thermostat
Fernox F3 Cleaner 265ml Sludge & Scale Remover Varme Electric Underfloor Heating Carbon Film Kit 130w 160w As part of the ExpressFernox F3 Cleaner (Liquid) 265ml Fernox F3 265ml is a fast acting, pH neutral cleaner designed to clear sludge, limescale, and installation debris from central heating systems. It restores efficiency in older systems and prepares new installations in line with BS 7593: 2019 by removing flux residues and other contaminants. This smaller bottle offers the same proven performance with reduced packaging and waste. It treats an average 100 litre system,
