Central Heating System Protection Kit – Fernox F1 & F3, PTFE Tape & Bleed Key
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📦 £3.99 UK delivery • FREE on qualifying orders over £30
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Keep your heating system running efficiently with the NXTFlow Central Heating System Protection Kit.
This complete kit contains everything needed to clean, protect and maintain your central heating system, helping to improve efficiency, reduce sludge build-up and protect against corrosion and limescale.
Perfect for homeowners, landlords, heating engineers and DIY maintenance.
What's Included
✔ 1 x Fernox Cleaner F3 265ml
✔ 1 x Fernox Protector F1 265ml
✔ 1 x Universal Radiator Bleed Key
✔ 1 x PTFE Thread Seal Tape
Clean, Protect & Maintain
Step 1 – Clean
Fernox Cleaner F3 helps remove sludge, debris and limescale deposits from existing heating systems.
Step 2 – Protect
Fernox Protector F1 provides long-term protection against corrosion and scale formation.
Step 3 – Maintain
Use the included radiator bleed key to remove trapped air and improve radiator performance.
Step 4 – Seal
PTFE tape helps create secure, leak-free threaded connections.
Benefits
✔ Improves heating efficiency
✔ Helps extend boiler lifespan
✔ Reduces sludge and limescale build-up
✔ Protects radiators, pumps and valves
✔ Suitable for most domestic heating systems
✔ Trusted Fernox products included
Ideal For
- Central Heating Maintenance
- Boiler Servicing
- Heating System Upgrades
- Landlord Property Maintenance
- DIY Homeowners
- Professional Heating Engineers
Package Includes
- 1 x Fernox Cleaner F3 265ml
- 1 x Fernox Protector F1 265ml
- 1 x Radiator Bleed Key
- 1 x PTFE Tape Roll