Originally Posted by bsmith95610
I can' seem to find a swing or spring check valve when I look on google. I'm looking for one that would attach to a 4 inch PVC pipe. Anyone else have any ideas or can someone provide a link to one that they think would work?
Really? I did within the first few suggestions. Anyways go down to your local plumbing supply house, not big box, and they'll have what you need.