Type of bulkhead (wet side + dry side) - threaded + threaded; threaded + slip or slip

[byee]

I've used teflon tape for plumbing around the house with threads. Its pretty simple and easy to use.

I've used the paste before and its messy.

Thanks for the info. I'll stick with the tape.

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[byee]

OK, I figured it out.

The original 3/4" MPT x SLIP were purchased at Home Depot made by Dura USA and NIBCO. I was not able to hand tightening either one of these MPT's into my bulkhead. Once tightened, removing my hand was very difficult without the use of tools.

I went to Rona to with my bulkhead to try the IPEX ones they sell. I was able to hand tighten the IPEX successfully into the bulkhead all the way as well as removing it by hand......no tools.

IMO, the 3/4" MPT x SLIP are out of spec - bad threads.

Thanks for everyone's help!!

[gregzz4]

Glad you got that sorted out

Now for my other question;
You mentioned you put an o-ring between the bulkhead and the drain pipe
I'm trying to picture how this is possible
If you threaded the drain pipe into the bulkhead that far for the o-ring to touch you'd probably split the bulkhead

You didn't by chance put the drain pipe on the outside of the bulkhead did you ?

[byee]

Here's a quick photo of how I was going to use the O-ring by placing it between the bulkhead and the MPT x SLIP.

[gregzz4]

That o-ring isn't needed

That's your standpipe for a drain correct ?
Just wanted to make sure you're putting the bulkhead gasket inside the overflow and not on the outside of the tank
And the nut goes outside the tank