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Jon
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Water Replacement in Sealed Closed Loop H80i?

Fri May 05, 2017 1:38 pm

I've had a Corsair H80i sealed closed loop keeping things in check with my i7-2600k CPU o/c to 4.4Ghz since 2012. I use the PC a lot and sometimes it runs perpetually for months without powering down.
At what point does the liquid need to be replaced, if at all? Since it's a sealed closed loop does it suffer from evaporation over time?
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Re: Water Replacement in Sealed Closed Loop H80i?

Fri May 05, 2017 2:07 pm

So long as it stays sealed you're probably going to be fine as far as things like evaporation are concerned. There was a story here a while ago posted by some dude who now has a crazy beard about an H60 failing, but that's the only case of a CLC failing like that I can think of offhand.

If your temps are good, and there's no outward signs of a problem, then I wouldn't worry about it.
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Re: Water Replacement in Sealed Closed Loop H80i?

Fri May 05, 2017 2:12 pm

If you end up low on water you'll hear a lot of cavitation from the pump. My wife's first H100 suffered from this, so we ended up chopping it up into a no-so-closed loop with a real reservoir. We do live at high altitude (7500 ft) and in a dry climate so it accelerates any issues.
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DragonDaddyBear
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Re: Water Replacement in Sealed Closed Loop H80i?

Fri May 05, 2017 2:35 pm

I remember Damage having that issue. It's one reason I won't go with CLC, they eventually lose their coolant and it either needs to be Frankensteined or tossed. I'd be careful about chopping it up. A similar event provoked me down a similar route when I was younger. It ended in me swearing off the stuff until I become rich and have tons of free time (neither are likely, let alone both).
 
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Re: Water Replacement in Sealed Closed Loop H80i?

Fri May 05, 2017 3:12 pm

My general recommendation is to replace the unit once the warranty has expired.
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Re: Water Replacement in Sealed Closed Loop H80i?

Fri May 05, 2017 3:44 pm

I have two H80i's from 2012. No coolant, pump, or noise issues, although I don't expect them to get any younger. In fact, the only problem is stripped threads in one radiator - so it became a push-only instead of push-pull, and case screws are now required for mounting that one.
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Re: Water Replacement in Sealed Closed Loop H80i?

Sat May 06, 2017 8:00 am

All tubing types have an evaporation rate, and it can vary widely based on the type of tubing used. This is why CLCs tend to use tubing with a very low rate (and a few even have fill ports), but they will all end up needing water eventually. That is a big reason why 3-5 years is considered a good lifespan for the things.

Excepting models with a fillport most CLCs are not designed to be serviced. Some users do so anyway but it wouldn't be easy. You are probably best off letting it run until you notice a problem with it, then at that point you could make the attempt if you wanted.
 
Jon
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Re: Water Replacement in Sealed Closed Loop H80i?

Sun May 07, 2017 1:06 pm

Thanks for the advice, I'll probably just wait until a problem develops and then address it at that point.
Until then...cheers :)
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Re: Water Replacement in Sealed Closed Loop H80i?

Sun May 07, 2017 3:10 pm

I've got two H70 units in a dual CPU build (2010) that has run 24/7 since day one. I've had no issues.
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