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Why is my reservoir leaking?! - Page 4

post #31 of 52
Glad to see that EK will send you the missing O ring. You need it. About the teflon tape and silicone thing, been watercooling for 10 years now (yes I'm getting old lol). Compression fittings were not available then. We used barbs only with metal clamps. Anyway....long story short, all the builds we used to do we put a SMALL amount of teflon tape and a little silicone on the threads of the fittings. Acrylic res never cracked neither top of blocks. Never had a leak. Of course like someone says, if you go overboard with it then you're asking for trouble.biggrin.gif

Old guy rambling out and good luck with your build!!! smile.gif
post #32 of 52
Thread Starter 
Quote:
Originally Posted by coldcase View Post

Glad to see that EK will send you the missing O ring. You need it. About the teflon tape and silicone thing, been watercooling for 10 years now (yes I'm getting old lol). Compression fittings were not available then. We used barbs only with metal clamps. Anyway....long story short, all the builds we used to do we put a SMALL amount of teflon tape and a little silicone on the threads of the fittings. Acrylic res never cracked neither top of blocks. Never had a leak. Of course like someone says, if you go overboard with it then you're asking for trouble.biggrin.gif
Old guy rambling out and good luck with your build!!! smile.gif

Thanks for the heads up smile.gif Might use some teflon tape just incase it might leak.

water cooling for 10 years? specool.gif
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ARC
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post #33 of 52
Quote:
Originally Posted by Stridarn View Post

Quote:
Originally Posted by coldcase View Post

Glad to see that EK will send you the missing O ring. You need it. About the teflon tape and silicone thing, been watercooling for 10 years now (yes I'm getting old lol). Compression fittings were not available then. We used barbs only with metal clamps. Anyway....long story short, all the builds we used to do we put a SMALL amount of teflon tape and a little silicone on the threads of the fittings. Acrylic res never cracked neither top of blocks. Never had a leak. Of course like someone says, if you go overboard with it then you're asking for trouble.biggrin.gif
Old guy rambling out and good luck with your build!!! smile.gif

Thanks for the heads up smile.gif Might use some teflon tape just incase it might leak.

water cooling for 10 years? specool.gif

i use teflon tape on every thing! it works great
post #34 of 52
Meh silicone caulk is where its at. Used that for YEARS on a old koolance build even moved multiple times and slammed the pc around. Never had a single leak after i applied it.
post #35 of 52
Quote:
Originally Posted by Stridarn View Post

water cooling for 10 years? specool.gif

Yeah...been going back to it now and I'm currently on my way of building a new rig with compression fittings. They sure are more beautiful then when we were using our garden hose clamps on the tubing.lachen.gif I'll be frequenting this forum more since a lot of the forums that I used to post in are either dead or now closed...weird.sad-smiley-002.gif But you guys here seems like a great bunch so I look forward to spend so time here cheers.gif
post #36 of 52
just curious as to how many ppl on here have never used teflon tape OR silicone and never had a leak?
post #37 of 52
Quote:
Originally Posted by LuckyDuck69 View Post

just curious as to how many ppl on here have never used teflon tape OR silicone and never had a leak?

With properly designed parts, and careful assembly, neither is "needed", but it is a nice backup to have.

The only leak I've had so far was on something I didn't tighten the clamp on.
Edited by Caleal - 1/9/12 at 10:39am
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post #38 of 52
Quote:
Originally Posted by LuckyDuck69 View Post

just curious as to how many ppl on here have never used teflon tape OR silicone and never had a leak?

Teflon tape is used in home plumbing applications where connections are under much higher pressure (~60psi) without any leakage.

I used it to secure a compression fitting in one of the ports on my radiator that kept leaking, hasn't leaked since.
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post #39 of 52
If you need teflon tape to make a seal, you're installing it wrong, the o-ring is missing or damaged, the product is faulty, or the product is incompatible with whatever you're connecting it to. Contact the WC manufacturer if there's an issue. I don't know of any WC manufacturer who recommends teflon.

Sure, enough teflon will stop a leak, but it isn't how the WC manufacturer designed the products.

I've also heard people say it's a second line of defense against leaks, which isn't necessarily true. In a lot of cases, teflon interferes with the actual meant to be seal - the o-ring. While the teflon is making the seal, the o-ring isn't doing anything, and is likely not screwed in enough to make a seal if the teflon isn't perfectly installed and liquid happens to get through. Getting the perfect install, where the teflon makes the seal, AND the o-ring is tight enough to seal is unlikely and unnecessary.

I trust a manufactured o-ring over a wad of teflon. But I guess both ways work. I just don't think they'll work at the same time.

I hope everyone understands the difference between NPT and BSP, and knows the WC standard is BSP. BSP threads are parallel, and weren't meant to make a seal at the thread level because of the constant diameter. It's what the o-ring is there for.
Edited by lol12ek - 1/9/12 at 4:58pm
post #40 of 52
Teflon tape and silicon grease are absolutely not required to have a leak free system, and improperly applied can cause problems, but when used properly they are added protection against leaks.

While I personally use Teflon tape on fittings to metal and acetel parts, I would never use it on something like that tube res, or other acrylic parts because it would not just look bad, it would potentially cause it to crack from the increased pressure in the threaded area.

Badly applied Teflon tape can actually cause more problems than it is intended to prevent. It takes careful application to the threads to be sure that it does not interfere with the o-ring seal in any way, and that no loose Teflon tape can break free and get into the loop.
It takes a bit of time to properly apply and trim the tape so that it is not interfering with the o-ring, or sticking out past the thread contact area inside the parts.
I saw a really good photo guide on it once, but I cant remember where it was posted.

A little clear silicon grease smeared on the o-rings, just a light coat, not gobs of it, has several benefits.
It helps them make a better seal, lubricates them so they do not tear or deform during assembly, keeps them "fresh", and is great for holding them in place when assembling water blocks and such.
Make sure it is straight silicon grease, not mixed with petroleum products, as they can cause damage to some o-rings and parts used in water cooling.
Edited by Caleal - 1/9/12 at 5:52pm
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