Got NIBCO PEX in Your House? What East Cooper Homeowners Should Know About the Class Action
If you've ever looked under a sink or into a crawlspace in Mount Pleasant, Daniel Island, or anywhere else around Charleston and seen flexible plastic water lines with "NIBCO" printed on the side, you're not alone. We run into NIBCO PEX a lot in homes built or re-piped in the 2000s. Neighbors usually ask us three things: what is it, wasn't there a lawsuit, and do I need to tear it out?
Here's the straight answer from Avery & Sons Plumbing + Tankless.
What NIBCO PEX actually is
PEX stands for cross-linked polyethylene. It's the flexible plastic water line that has largely replaced copper in new construction. NIBCO is one of several companies that make PEX tubing and the fittings and clamps that go with it.
PEX is not polybutylene. Polybutylene is a different plastic, usually gray, with its own long history of failures. If you're not sure which one you have, snap a picture of the printing on the pipe and send it to us. The label usually tells the story.
The NIBCO PEX class action
Here's the part people have heard about. Homeowners filed two nationwide class actions against NIBCO: Cole v. NIBCO Inc. (federal court in New Jersey, filed 2013) and Meadow v. NIBCO Inc. (federal court in Tennessee, filed 2015). They alleged that NIBCO's PEX 1006 tubing made from January 2005 through August 2012, along with the yellow brass F1807 fittings and stainless steel clamps used with it, was defective and could leak and cause water damage.
NIBCO denied those claims. It said the products were certified to industry standards and that relatively few leaks had been reported for the amount sold. The case settled anyway, without any admission of a defect.
The settlement set up a fund of up to $43.5 million. The court entered final judgment in April 2019. People with qualifying leaks could get back 25% to 70% of their documented property damage, and homes with three or more separate qualifying leaks could ask for help paying to re-plumb. That six-year claim period closed on May 16, 2025, so if you're just now finding out you have NIBCO PEX 1006, it's too late to file under that settlement.
Was NIBCO PEX recalled?
We couldn't find any government recall of NIBCO PEX tubing, and that includes the Consumer Product Safety Commission. The NIBCO case was a class action settlement, not a recall. Those are two different things, and you'll hear them mixed up a lot.
It's not just NIBCO
The NIBCO case was one of several over PEX plumbing, and brass fittings show up again and again in them:
Zurn PEX (2013): A federal court in Minnesota approved a $20 million settlement over Zurn's brass F1807 crimp fittings sold from 1996 to 2010. Zurn denied the fittings were defective.
Kitec / IPEX (2011): IPEX agreed to a $125 million settlement in the U.S. and Canada over its Kitec system. The suit alleged the system could fail early, and IPEX denied it.
Uponor (2012 and 2015): Uponor settled two cases over brass fittings: one over RTI F1807 fittings and one over yellow brass fittings that allegedly lost zinc in contact with water.
Our takeaway from the field: the leak is usually at a fitting or clamp, not in the middle of a pipe run.
Where older PEX gives you trouble
Here's what we look for in East Cooper homes:
Lines right off the water heater. Heat is hard on any plastic line, so a short metal section near the heater matters.
No thermal expansion tank. Every heating cycle builds pressure in a closed system.
High street pressure. Without a working pressure reducing valve, the whole system takes a beating.
Sunlight. Exposed runs under a raised house break down faster.
Old brass fittings and clamps. Look for white or green crust, weeping, or corrosion.
Do you need to re-pipe?
Not necessarily. If your NIBCO PEX is dry and the fittings look clean, check your pressure, add an expansion tank, protect exposed runs, and replace any questionable fittings. A full re-pipe makes sense if you keep getting leaks, see crusted or corroded fittings throughout the house, or you're already opening up walls. Whatever you do, don't ignore a small drip. In a slab or crawlspace home on Daniel Island or in Mount Pleasant, a slow leak can do real damage before you ever see it.
Want a second set of eyes?
If you've got NIBCO PEX and aren't sure where it stands, call us at (843) 305-5555 or visit averysplumbing.com. We'll check the pipe, fittings, pressure, and expansion setup, and tell you straight whether it needs anything at all.
— Avery & Sons Plumbing + Tankless, serving Charleston, Daniel Island, Mount Pleasant, and East Cooper
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