Boshart FIN4740 Series PVC Transition Coupling, Glue x Insert

Boshart FIN4740 Series PVC Transition Coupling, Glue x Insert

The Boshart FIN4740 Series PVC Transition Coupling is a rough-in fitting built to join a solvent-weld PVC pipe run directly to a barbed insert connection in a single component. This family is available in sizes from 3/4" through 1" (model options FIN474-007 and FIN474-010), so plumbers can match the coupling to the pipe run at hand while keeping the same glue-to-insert transition design across the line. One end of every size in the series is sized for a standard glue (solvent weld) joint into Schedule 40 PVC pipe, while the opposite end is an insert (barb) connection designed to accept flexible tubing secured with a clamp or crimp ring. This dual-connection design makes the FIN4740 Series a practical transition piece anywhere a rigid PVC branch needs to step down to flexible tubing, or vice versa, without cutting in a second coupling or adapter. As with other FIN4740 Series fittings, these couplings are intended to be installed behind the wall or under the floor as part of the rough-in supply or distribution run, not as a finished, visible fixture.

Key Features

• Trade Size Range: Available from 3/4" to 1" on both the glue and insert ends, sized for standard PVC pipe and flexible tubing runs.
• Glue (Solvent Weld) End: Accepts a standard PVC solvent-cement joint for a permanent connection into rigid PVC pipe.
• Insert (Barb) End: Insert fitting designed for flexible tubing, secured with an appropriately sized clamp or crimp ring at installation.
• Transition Design: Combines two different connection methods in one fitting, eliminating the need for a separate adapter when moving from rigid PVC to flexible tubing.
• FIN4740 Series: Part of Boshart's FIN4740 line of PVC transition fittings used in rough-in plumbing distribution.
• PVC Construction: Molded PVC body suited for cold and pressurized water distribution lines commonly run in PVC systems.

Technical Specifications

• Series: FIN4740
• Size Range: 3/4" to 1" Glue x Insert
• Material: PVC
• Connection Type: Solvent Weld (Glue) x Insert (Barb)

Typical Applications

• Rough-In PVC Water Distribution Lines
• Transition Points Between Rigid PVC and Flexible Tubing
• Residential and Commercial Plumbing Installations
• New Construction and Repair/Retrofit Piping Runs
• Behind-the-Wall and Under-Floor Supply Connections

Why Boshart?

Boshart manufactures PVC transition fittings like the FIN4740 Series to give plumbers and contractors a reliable way to combine solvent-weld and insert connections in a single component, reducing the number of joints in a rough-in run. Choosing a purpose-built transition fitting from the FIN4740 Series, available across the 3/4" to 1" size range, helps keep installations straightforward for professionals working behind walls and under floors where connection integrity matters most.