On 1/19/19 12:46 AM, Oren wrote:
On Fri, 18 Jan 2019 21:35:45 -0800 (PST), wrote:

On Thursday, November 5, 2009 at 8:38:38 PM UTC-5, Dave wrote:
Can I use CPVC cement on standard PVC? Or do I have to have a can of the
regular stuff, to put my project together? Just wondering, and really don't
want t screw this up over something so simple...

Thanks,

Dave

Weld-on says this: "Yes. CPVC solvent cement technically will work on PVC piping. However, we recommend that the correct Weld-On primer and PVC solvent cement for the particular application should be used. Please note that PVC solvent cement, because of temperature limitations, is not recommended for CPVC piping."

Oatey, on the other hand, is non-committal. But I suspect that CPVC cement will be OK on PVC, as Weld-on says. On the other hand, Weld-on also says above that PVC cement should not be used with CPVC pipe, but "because of temperature limitations" .. this means that for cold water, it just might be OK too.

And, from what I read online, it seems that if you happen to need to join CPVC and PVC stuff, you could use CPVC cement to do this. YMMV, I'm not an expert with any of this stuff, however.

Wow. More than 10 years ago I used PVC cement on CPVC pipe if I
recall. If the pipes fit I glue them, no?



Agreed on drain pipes...prolly doesn't matter much. Oatey has a combo glue that works on both.

OTOH, on pressure or hot water pipes I'd use proper CPVC pipe, CPVC fittings and CPVC glue.


https://www.homedepot.com/p/Oatey-8-...8213/100116580