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Mueller 457-007 is a PVC union with a 3/4-inch socket connection and a Buna-N (Nitrile) O-ring seal manufactured to Schedule 40 specifications. It joins 3/4-inch PVC pipe sections in plumbing, irrigation, and HVAC systems using a slip-socket union design. The fitting is corrosion-resistant and intended for standard Schedule 40 PVC piping applications where a removable union connection is required.
3/4-inch Schedule 40 PVC union with Buna-N O-ring, slip-socket connection, 150 psi rating
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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