1.5" PVC Street Wye or 1.5" Street Union


I have two 1.5" PVC lines I need to connect with a Wye connector. To ease any future servicing of the check valves in the system (for my sump pump & battery backup pump) I would like to have a union just upstream of the wye connector (rather than a hard joint).
To reduce the number of joints I have I would like to connect a standard union to a street wye OR a street union ( if it exists) to a standard wye.
My problem is, I can't find any place that has street unions online. Do they even exist?
Also, is there any issue with connecting a standard union directly to a street wye (or vice-versa)? Does there need to be a length of straight pipe between the union and the wye?
Or should I just use a street wye with a rubber coupler?
Thanks, Kevin
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wrote:

I've never seen a street union. They might exist... You don't need a piece between union and wye if you have a street wye.
But I'd use a rubber coupler, or a rubber wye. It makes it easier to get everything lined up if the pump isn't exactly in the right spot.
But then I also wouldn't worry about an extra joint or two. A properly solvent welded joint is pretty darn close to a solid piece of pipe.
HTH,
Paul
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Thanks for your feedback!
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