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💧 Clean smarter, not harder — your boiler’s new best friend!
Fernox 57882 F3 System Cleaner is a professional-grade chemical solution designed to remove sludge, flux, and debris from both new and existing central heating systems. Easy to use with a one-week treatment cycle, it restores water clarity and improves boiler efficiency, making it a must-have for maintaining high-performance heating systems.
| ASIN | B07L4QXF84 |
| Best Sellers Rank | #154,234 in Automotive ( See Top 100 in Automotive ) #618 in Cleaners #6,634 in HVAC |
| Customer Reviews | 4.8 4.8 out of 5 stars (11) |
| Date First Available | December 5, 2018 |
| Item model number | 57882 |
| Manufacturer | MONDALE & ASSOCIATES |
| Package Dimensions | 7.48 x 4.53 x 2.01 inches; 1.41 Pounds |
A**R
Works
I suppose it works. I drained the boiler until as clear as possible then I poured this in and left it for a week with the boiler heat on. After which I drained again until clear. Filled the boiler to spec and added the F3… works… water in the level shows the gunk settles leaving the to crystal clear
C**R
Easy boiler cleaning
This cleaner was recommended to me for the high efficiency boilers we have. It was easy to use and appeared to do a good job on boiler and boiler/water water heater.
D**.
This is recommended for multi-metal systems. Mine is aluminum, steel, stainless steel, and copper.
Used for a high efficiency water boiler and indirect heater. Seems to clean well and so far no problems for two years.
J**Y
Seems to work.
Seems to work.
Trustpilot
2 weeks ago
1 month ago