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Internet # 313581646

Model # 62437

Central Heating Cleaner F3 Express - 400ML

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  • Designed to remove sludge, scale, and debris in existing systems
  • Designed to restore proper heating efficiency
  • Helps to remove flux residues and other debris
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Product Details

About This Product

Cleaner F3 is a heavy duty, pH neutral cleaner which is designed to remove sludge, scale and debris in existing and /or aged systems. It is ideal for use when powerflushing to aid the cleaning process and to restore heating efficiency. In accordance with BS7593:2006 for long term protection the system should be thoroughly cleaned and flushed. Cleaner F3 Express will protect an average sized system (130 l or up to 16 single radiators) and may be added via a radiator or filling loop. Fernox Cleaner F3 Express can be dispensed directly into a radiator air vent or system filling loop using the appropriate special adapter supplied with the product. Additional/repeat applications of Cleaner F3 Express may be necessary, for larger systems or if systems are heavily sludged. Fernox Cleaner F3 Express is also designed to be used in conjunction with a powerflushing unit. In this case, please refer to the unit manufacturer's instructions.


  • Quick, convenient and simple to use - doses in 30 seconds
  • Add via a radiator adapter or filling loop supplied
  • Removes sludge and scale and restores heating efficiency
  • Removes flux residues and other debris
  • pH Neutral, non-hazardous and environmentally formulation compatible with all metals and materials, including aluminium
  • Return Policy

Product Information

Internet # 313581646

Model # 62437

Additional Resources



Dimensions: H 8.25 in, W 4.0 in, D 4.0 in


Product Depth (in.)

4.0 in

Product Height (in.)

8.25 in

Product Width (in.)

4.0 in


Automotive Part Type

5th Wheel Hitch/Accessory

Color Family


General Part Type

5th Wheel Hitch/Accessory

Pack Size




Warranty / Certifications

Manufacturer Warranty


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Customer Reviews

3.7 out of 5

  • 3.7 out of 3 reviews
  • 0% recommend this product
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Showing 1-3 of 3 reviews
Very damaged box received and found to be empty. I was given credit for the product that was never received.
  • Verified Purchase
Easy to use clean boiler and al closed loops...
Easy to use clean boiler and al closed loops
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  • Verified Purchase
Showing 1-3 of 3 reviews