| Mixing types of plastic pipes
I am not a plumber but my opinion is...
The black pipe is designed for drains and venting not for pressurized pipes.
The PVC and CPVC are for pressure lines, i.e. hot & cold water supply.
The creme CPVC is designed for hot water but can be used for both.
If the fittings work go for it. The non-black pipe is just over-kill. They are stronger than the black due to wall thickness and probably other properties.
Glue? Your supplier should have a general purpose cement for both and it will work with the black as well.
Now we can stand by to see if I need correcting.
em.
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