- UK Mainland Delivery: £8.95
- Dispatch Time: In Stock - Dispatched within 1 working day
- Standard Delivery: Next Working Day
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Product Description

Product Features
- Protects against corrosion and limescale
- Maintains efficiency so extending system life
- Prevents bacterial contamination
- Compatible with all metals and materials commonly used in heating systems
- Non-toxic, environmentally friendly
- Combined antifreeze and protector
- Protects heating, chilled water and solar systems
Fernox Protector Alphi-11 is a combined antifreeze and inhibitor, which 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 aluminium. It is especially recommended for use in solar systems. Fernox Protector Alphi-11 is compatible with all metals and materials commonly used in central heating systems. For continued protection we recommend Protector levels are checked regularly (annually). The concentration of the product can be easily measured on site using a Fernox Protector test kit.
Physical Properties
Colour: Colourless
Odour: Mild
Form: Clear liquid
pH (conc) 5.7 – 6.1
pH (soln 25%): 7.0 – 7.5
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Concentration |
25% |
30% |
35% |
40% |
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Protection |
-11°C |
-15°C |
-18°C |
-22°C |
Fernox Protector Alphi-11 is classified as non-hazardous and non-irritant, but as with all chemicals keep out of reach of children. Do not mix with other chemicals with the exception of Fernox products. No not take internally. In case of contact with eyes or skin, rinse immediately with plenty of water.
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Additional Information
| Manufacturer ID | 603071 |
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| Manufacturer | Fernox |







