PEX pipe comes in different manufacturing types, and PEX-A and PEX-B are the most common in homes. The differences are in flexibility, fittings, and how repairs are made.
The PEX-A
PEX-A is the most flexible type and can be expanded with a special tool for fittings, and it recovers from freezing well.
The PEX-B
PEX-B is slightly stiffer and uses crimp or clamp fittings, and it is the more common and economical choice.
The fittings
The two types use different fitting systems, so the tools and the parts are not always interchangeable.
The repair
Knowing which type is in the walls matters for repairs and additions. freezing winters put stress on exposed lines, and many older homes still have aging galvanized pipes In St. Paul, a pro can identify it and match the fittings.
The fitting
PEX-A uses expansion fittings and PEX-B uses crimp or clamp, so the tools are different. Matching the right system avoids a failed joint.
The call
Match the type to the repair. Call 888-217-3585 and St. Paul Plumbing Pros will match you with a St. Paul pro.
Plumbing in St. Paul: what to know
In St. Paul, freezing winters put stress on exposed lines, and many older homes still have aging galvanized pipes. Pros in our network know the local quirks and bring the right parts on the first visit.
Across Ramsey County — from West St Paul, Falcon Heights and Mendota Heights to ZIP codes like 55155, 55101, 55103 — homeowners deal with the same kinds of issues. The tips above apply locally, and when a job goes beyond a quick fix, a vetted local pro is only a call away.
Need a hand in St. Paul?
If a plumbing issue is beyond a quick fix, don't wait for it to get worse. Call 888-217-3585 and St. Paul Plumbing Pros will match you with a vetted local pro — usually within minutes. Learn more about plumbing help in St. Paul.