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Solvents and Glues?

I've worked with white schedule 40 PVC on plumbing projects and the occasional gardening project. I've always used the purple solvent and glue you showed above. Recently, I've wanted to use some PVC conduit, the gray kind. Can I use the same solvent for this pipe? My big box store has solvent for the conduit on the shelf near the pipe. Do I really have to use a different solvent/glue product?


The gray pipe is a cousin of PVC called CPVC - Chlorinated Polyvinyl Chloride plastic. You can use the same primer, but you'll need a different solvent cement for a waterproof bond.