Drain Hose Accessories

Don't know what type of drain hose to use on your mini split install? Check out this video to learn about different types, applications and which accessories can help you save time and callbacks.
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[@Braindead154]

Are the couplers rated for in-wall use?

[@inabadenkoamerica]

The 2018 IPC is the latest code we have and after looking through it, unless we missed something, there is no code related to that specific requirement. The closest thing we could find is:
605.14.4 Push-fit joints.
Push-fit joints shall conform to ASSE 1061 and shall be installed in accordance with the manufacturer’s instructions.

[@Braindead154]

@@inabadenkoamerica Thank you. I did similar research and couldn’t find anything either. minisplits are commonly using insulated flex tubing and I prefer to transition to sch40 unless i am punching right out the back to the outside of the house. I still need to maintain some flexible tubing to simplify install. I am trying to mitigate the risk for leaks during the transition from insulated flex to schd40.