The heating fluid contains an antifreeze that also protects against corrosion and bacterial growth, but these qualities deplete over time. Alde Premium Antifreeze is magenta in colour and should be replaced every 5 years. If your fluid is a different colour, change it after 2 years.
Alde accessories
Antifreeze – more than just frost protection
You may already be aware that Alde Heating is a hydronic systems. This means that a heating fluid is heated up in the boiler and then circulated through pipework, which provides heat via emitters like convectors, towel radiators, etc.
Purpose of antifreeze:
- To facilitate the circulation and provide a pleasant and balanced heating system.
- Anti-freezing.
- Corrosion protection. Inhibitors form a protective coating inside the system.
- Prevents bacterial growth.
What type of antifreeze should I choose?
- Only use Alde approved antifreeze products.
- All approved antifreeze meets the same specifications, either VW TL 774-G or VW TL 774-J.
- Concentrated antifreeze should be mixed 50:50 with distilled water, but most products these days are pre-mixed/ready to use.
By maintaining your heating fluid, you know that your system contains the right mix of antifreeze and water. That the risk of frost and corrosion damage and bacterial growth has been minimised.
Equip your Alde Heating system with the best conditions for stable and pleasant heating.
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