FERNOX F1 Protector Inhibitor 1 Pint (500 ml) Bottle

Write a Review

2 Reviews Hide Reviews Show Reviews

  • 5
    Shipping mix up

    Posted by Glen Harrington on Apr 13th 2022

    Received my order of Fernox and the shipping label to return the pump you sent by mistake. The pump return was shipped on 4/12

  • 5
    Fernox boiler treatment

    Posted by Brian on May 4th 2021

    I always use Fernox F1 and F3 in my boiler because it's the best. A bit pricey in the U.S. but Geohydrosupply.com was the best deal, and very fast shipping. Can't beat it!

FERNOX F1 Protector - 500 ml (1 pint) - Treats 34 gallons

  • Central Heating Protector for mixed-metal domestic central heating systems
  • Protects against corrosion and limescale build-up
  • Prevents boiler noise
  • Stops frequent venting of radiators
  • Extends heating and cooling system life
  • Prevents sticking pumps
  • Saves on fuel bills
  • Reduces maintenance costs
  • Maintains system efficiency
  • Prevents cold spots in radiators
  • Non-toxic, environmentally friendly
  • Can be added to systems with all types of antifreeze solutions, propylene glycol, ethylene glycol, ethanol and methanol

Fernox Protector F1 gives long-term protection of domestic central heating systems against internal corrosion and limescale formation. It prevents corrosion of all metals found in these systems, i.e. ferrous metals, copper and copper alloys, and aluminum. It is suitable for all types of geothermal, boiler, radiators and pipe-work systems. Fernox Protector F1 is compatible with all metals and materials commonly used in central heating systems.

Protector F1 is a blend of inorganic and organic corrosion and scale inhibitors. It appears as a light yellow, slightly aromatic liquid and is classified as non-hazardous.


Material Safety Data Sheet