JONES STEPHENS JST C67-340 3IN X 4IN PVC MULTI USE COUP

SPECIAL ORDER ITEM. Review Returns Policy before purchase. This multi-use coupling facilitates transitions between different pipe diameters within plumbing drainage systems. Engineered for slip-on installation, the component connects Schedule 40 DWV pipe to SDR pipe, providing a secure fit for drainage networks. The design is fully UPC- and IPC- compliant, ensuring it meets established plumbing safety and performance standards for residential or commercial applications. This fitting allows for efficient diameter reduction or expANSI-on, supporting system integrity during routine maintenance or new plumbing installations.