BlindSwordsman
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Thanks for pointing that out. Looking at that, I see that I bought the gaskets that are for something and wanted to use those on something else, thinking '1" gasket' is '1" gasket' and it would have 1" opening and it would fit. But, their '1" gasket' might have 1.65" opening or 1.88" openingWhich did you order, the ABS bulkhead gasket or the schedule 80 bulkhead? They sell both and are different sizes. You would be looking at 'C' in the following diagram.
View attachment 65834
Schedule 80
View attachment 65832
ABS
View attachment 65833
The gasket is going to be bigger than 1".
1" is the inside diameter of the PVC. The outside is clearly going to be larger than that. and the hole you drill will be larger as well. How does the gasket look when you slip onto a piece of 1" PVC.
Since their '1" gasket' either has 1.65" or 1.88" opening, they are of course larger than the 1" PVC pipe. I didn't pay attention to the description I guess. I assumed the 1" gasket must have a 1" opening and should fit well with the 1" PVC pipe and such but in actuality, their gaskets do not







