help quick!!!

OK so I put the gasket on the outside, but I made sure that the flat side of the gasket was on the glass side. So far I have no drips. I am going to wait a few minutes and check again.
 
Leak testing is just no fun at all. See my build thread for all of the fun. And the worst leak is a bulkhead leak. Good luck.
 
The gasket always goes on the flange side, like this:
attachment.php


Otherwise, water WILL leak past the threads (if you incorrectly place it on the nut side).
 
I really think post #10 us the best answer. But in my limited experience, once a gasket leaks, it's best to clean every surface to a pristine surface, replace the gasket, and re tighten it down to just a 1/4 turn past hand tight, keeping in mind I'm 6'4" tall and my nick name is Big John.
 
Don't Install it upside down on a tank. Just because it will hold does not mean its the appropriate way to install a bulkhead on a tank. Install it how you want on your sump/refugium.

With the flange on the water side you have the weight of the water pushing down on the flange and the seal only making a better seal.

With the flange and seal on the outside you have the water pushing against the seal trying to separate it from the glass so it can run out. If your looking to have a bulkhead fail this is a good way to set it up.

What if you put that bulkhead in upside down with the nut on the inside of the tank, then you accidentally bump your drain line or your close loop during maintenance and you have a leak. Good luck getting your hand down the inside of your overflow box to tighten that nut.
 
m-six hundred said:
Don't Install it upside down on a tank. Just because it will hold does not mean its the appropriate way to install a bulkhead on a tank. Install it how you want on your sump/refugium.

With the flange on the water side you have the weight of the water pushing down on the flange and the seal only making a better seal.

With the flange and seal on the outside you have the water pushing against the seal trying to separate it from the glass so it can run out. If your looking to have a bulkhead fail this is a good way to set it up.
Click to expand...
I agree the nut side should always been on the dry side, if possible, for this reason. However sometimes you're forced to put the nut on the wet side for spacial reasons. Certainly the less water you have above the bulkhead (and weight) the less risk here. (if you noticed on my build, I have a drain capped off and the bulkhead had to have the nut on the wet side, but you'll also notice the pipe I capped it off with extends nearly to the surface in the overflow - to decrease the water weight on the bulkhead)

m-six hundred said:
What if you put that bulkhead in upside down with the nut on the inside of the tank, then you accidentally bump your drain line or your close loop during maintenance and you have a leak. Good luck getting your hand down the inside of your overflow box to tighten that nut.
Click to expand...
And this is the reason I'd personally never have a closed loop; one leaky bulkhead and you might have to drain the whole tank! But that's a different discussion. :p


saintsnsinners said:
See post #3.
Click to expand...
I saw such before I posted and you were correct, but a picture speaks a thousand words. :)
 
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