SharkBite Max UR4008 1/2" PB x 1/2" CTS Brass Push Polybutylene Adapter

SharkBite Max polybutylene adapters are the fastest way to transition between polybutylene pipe and PEX, copper, CPVC, PE-RT or SDR-9 HDPE pipe.

Each polybutylene transition coupling has color-coordinated collars on each end to identify which side goes with which pipe - the gray collar end is compatible with polybutylene pipe and the tan collar end is compatible with PEX, copper, CPVC, PE-RT and HDPE SDR-9 pipe. No special tools, crimping, soldering or glue required.

• Innovative push-to-connect design makes for quick and easy installation.
• Fastest way to connect PEX, copper, CPVC, PE-RT or HDPE SDR-9 pipe.*
• Half the insertion force compared to SharkBite 1st Generation fittings.**
• Can be installed on wet lines and pressure tested immediately.
• Stainless steel retainer adds strength and durability.
• High-performance DZR lead-free brass body.
• Can be rotated after installation.  
• No tube liner required for PEX.
• Rated to 200°F and 400 psi.
• Patented technology.
• Can be easily removed using a disconnect clip, disconnect tongs or pro disconnect tool.

Common Applications:

• Behind-the-wall with no access panels
• Underground when wrapped in silicone tape
• Polybutylene repipe
• Replacing polybutylene with PEX
• Polybutylene plumbing repair
• Polybutylene pipe leaks

Spec Sheet

Installation Instructions