Fernox 62676 F4 Express Leak Sealer, 13 fl oz

Part #: FERNOXF4

MFG #: 62676

Features and More

Features/Benefits

• Seeks out and seals inaccessible, internal microscopic leaks fast
• Quick and convenient – doses in 30 seconds – no need to drain down the system
• Safe to use – does not cause blockages in pipework or vulnerable boiler components such as pumps, air vents and heat exchangers
• Non-toxic, environmentally friendly formulation, compressed air propellant and 100% recyclable can
• Saves time and money on draining down and repairing.
• Add via a radiator, filling loop or TF1 System Filter – all adapters supplied

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