Keeping water from comming up the drains

[macojoe]

Didn't Hammer put some one way CK vales in the line under the deck??

[parishht]

I remember that, he did. I don't remember if they were for marine applications or another application.

[randlemanboater]

Originally Posted by macojoe

Didn't Hammer put some one way CK vales in the line under the deck??

Hammer did, and I did too, they didn't work out too well, mainly because the bottom of the floor drains is at or just below the drains out the sides, and water, just like poop, will not flow uphill.