B&K / Mueller Industries ProBite Female Straight Coupling, 1/2" Push x 3/4" FNPT, Copper/CPVC/PEX

A straightforward fitting that gives you a clean, steady connection without fuss.

Handles mixed pipe work with a simple push on one side and a female thread on the other.

Product Overview:

When you're working through plumbing changes, this ProBite female straight coupling keeps the job plain and tidy. It connects two pipes with a 1/2" push end and a 3/4" FNPT female end, so you can move between copper, CPVC, and PEX on the push side, then tie into tubing on the threaded side. That mix saves a bit of head scratching. The fitting is rated for 200 degrees F and 200 PSI, and the 75 year warranty gives you a long runway. Set it in place, snug it up, and you get a connection that feels solid and sensible.

Key Features:

• Push and threaded connection: One side takes 1/2" push tubing, while the other gives you a 3/4" FNPT hookup for flexible installs.
• Works with common tubing: Copper, CPVC, or PEX fit the push end, so you can match the pipe already in front of you.
• Built for real jobsite conditions: Rated to 200 degrees F and 200 PSI, it stays dependable when the system is under strain.
• Long warranty coverage: The 75 year warranty adds a quiet bit of confidence when you want the repair to hold.
• Simple straight design: The coupling keeps the run clean and direct, which makes the whole setup easier to read at a glance.

Quick Specs:

• Brand: B&K / Mueller Industries
• Model Number: LF842FR
• Compatibility/Use: Copper, CPVC or PEX on the push end. Any type of tubing on the female end.
• Warranty: 75 yr. warranty

If you want a no-nonsense coupling that feels firm in the hand and keeps the line moving, this one fits the bill. Picture the finished run, quiet and tight, then go ahead and make it yours.

Rating: 200 degrees F. and 200 PSI.