glider pilot Posted November 13, 2020 Report Share Posted November 13, 2020 (edited) I am just installing a Eberspaecher water heater system what antifreeze should i use ? Edited November 13, 2020 by glider pilot Link to comment Share on other sites More sharing options...
matty40s Posted November 13, 2020 Report Share Posted November 13, 2020 (edited) Blue is usual in an eberspacher system. I am not clicking your link as it may be nasty. Whatever you do, do not mix blue with pink. Flush system out completely before changing. Edited November 13, 2020 by matty40s Link to comment Share on other sites More sharing options...
cuthound Posted November 14, 2020 Report Share Posted November 14, 2020 18 hours ago, glider pilot said: I am just installing a Eberspaecher water heater system what antifreeze should i use ? I use Ford Super Plus Premium at a 25% concentration in mine, which has a life of up to 10 years. Link to comment Share on other sites More sharing options...
Old Son Posted November 14, 2020 Report Share Posted November 14, 2020 I think I used household heating antifreeze. Link to comment Share on other sites More sharing options...
Tonka Posted November 14, 2020 Report Share Posted November 14, 2020 Fernox Alphi 2 is what I use on a Webasto system Link to comment Share on other sites More sharing options...
Sea Dog Posted November 14, 2020 Report Share Posted November 14, 2020 I now use central heating inhibitor with antifreeze included in my Eberspacher - most central heating inhibitors don't have the antifreeze, so choose carefully. Previously I'd used pink 5 year vehicle antifreeze, which was fine but, whilst the antifreeze stays good, the inhibitor gets used up over those 5 years so it then must be changed. You could add more inhibitor, but the difficulty is ensuring it's compatible. With the central heating stuff, you know exactly which central heating inhibitor is compatible, so you can top it up as needed. Be aware that antifreeze doesn't carry heat well, so don't over do the strength. It also layers in a heating system which can hinder the flow, so pre-mix it before adding it to your system. Oh, and I use deionised water too (as I do in all my vehicle cooling systems) - some may think this an unnecessary precaution but it's cheap enough. 1 Link to comment Share on other sites More sharing options...
Chewbacka Posted November 14, 2020 Report Share Posted November 14, 2020 1 hour ago, Sea Dog said: I now use central heating inhibitor with antifreeze included in my Eberspacher - most central heating inhibitors don't have the antifreeze, so choose carefully. Previously I'd used pink 5 year vehicle antifreeze, which was fine but, whilst the antifreeze stays good, the inhibitor gets used up over those 5 years so it then must be changed. You could add more inhibitor, but the difficulty is ensuring it's compatible. With the central heating stuff, you know exactly which central heating inhibitor is compatible, so you can top it up as needed. Be aware that antifreeze doesn't carry heat well, so don't over do the strength. It also layers in a heating system which can hinder the flow, so pre-mix it before adding it to your system. Oh, and I use deionised water too (as I do in all my vehicle cooling systems) - some may think this an unnecessary precaution but it's cheap enough. One of the antifreeze suppliers told me that if you use hard water, you use up at least half of the inhibitors before you even start the engine. Very soft is probably ok, but di water is just (much) better. Link to comment Share on other sites More sharing options...
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