Fernox F4 Express Central Heating Leak Sealer - 400ml

Transform your central heating system with Fernox F4 Express Central Heating Leak Sealer. This innovative solution is designed to effectively seal small leaks and weeps, preventing costly pressure loss and unexpected boiler breakdowns. With its rapid action formula, you'll see results within 1-24 hours after application.

Product: Fernox F4 Express Central Heating Leak Sealer
Content: 400ml
Colour: White
Odour: Faint
Form: Viscous liquid
pH: 5.0 - 7.0
SG: 1.0 at 20°C

BENEFITS OF FERNOS F4

• Rapid Results: Enjoy a quick solution with doses taking just 30 seconds.
• No-Mess Application: Simple application means you can seal leaks without hassle.
• Easy Access: Added via included radiator adapter or filling loop, ensuring convenience.
• Eco-Friendly: Formulated with non-toxic ingredients for safety and sustainability.
• Recyclable Packaging: Comes in a 100% recyclable can, contributing to a greener planet.
• Effective Sealing: Specially designed to seek out and seal weeps and leaks efficiently.
• Cost and Time Efficient: Avoid draining and repairing; seal quickly and effectively.
• Safe for Your System: Does not cause blockages in pumps, air vents, or other components.
• Compatibility: Perfectly matches all Fernox Protectors for seamless operation.

Act now and protect your heating system from leaks with Fernox F4 Express Central Heating Leak Sealer. Safe, reliable, and exceptionally effective, this product is your first line of defence against costly repairs and system failures. Enjoy peace of mind knowing you're choosing a solution that delivers on its promises. Don't let leaks linger - secure your home with Fernox F4 today!