Fernox HP-5C Concentrate
Product Code: 61050010
MPN: 62543
Description
Description
A non-toxic, concentrated heat transfer fluid for Air and Ground Source Heat Pumps and underfloor heating systems. This product is designed to protect against corrosion, limescale and frost protection from -4 to -14°C.
Usage
Use mains water to dilute before use. In order to ensure adequate corrosion and biocidal protection, the minimum concentration of the product is 10%. and the maximum concentration is 30%. The frost protection for the different dilution levels is listed below.
| Concentration | Frost Protection |
| 10% | -4°C |
| 20% | -9°C |
| 30% | -14°C |
Frost protection levels can be checked using a refractometer. Existing systems should be cleaned of sludge and limescale deposits with a suitable cleaner before a new glycol is added.

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