In the professional water sports and leisure sector, SEATEC AntiFreeze frost protection offers a highly reliable solution for keeping water and cooling circuits on boats, yachts and in motorhomes safe even in icy winter temperatures down to -30°C, depending on the mixing ratio.
Thanks to the specially developed, non-toxic formula, the product is ideal for use in the external cooling circuit of the engine in addition to drinking water and dirty water systems.
SEATEC AntiFreeze not only provides effective frost protection, but also increases the service life of drinking water pipes as well as plastic and metal components. The combination of frost protection, corrosion protection and UV stability maintains technical integrity during the winter.
Quality from Europe
Manufactured in the EU, this product excels in terms of quality standards and reliability. It is supplied in a handy 5-litre container, ideal for easy handling and storage.
Use:
Mix SEATEC AntiFreeze concentrate as required using the following table.
Mixing ratios
| SEATEC AntiFreeze |
Water |
Freezing point |
| 1 litre |
3 litres |
-5° C |
| 1 litre |
2 litres |
-12° C |
| 1 litre |
1 litre |
-20° C |
| 2 litres |
1 litre |
-30° C |
Engine (external cooling circuit):
- Empty the external cooling circuit.
- Close all seacocks.
- With the engine running, fill in SEATEC AntiFreeze via the seawater filter until the agent emerges from the through-hull.
- When wintering the engine, remove SEATEC AntiFreeze completely from the cooling circuit.
Toilet system:
- Add SEATEC AntiFreeze antifreeze via the toilet.
- Allow the waste water pump to run until the antifreeze has dispersed.
Drinking water system:
- Empty the water tank.
- Pour SEATEC AntiFreeze into the emptied tank.
- Switch on the fresh water pump.
- Open all water tapping points until the antifreeze emerges.
- Close all tapping points.
Safety instructions:
- Keep away from children
- Store in a cool, dry place away from sunlight
- Dispose of contents/container in accordance with regulations
- Only dispose of completely empty container
- Contains 1,2 propylene glycol