White Paper: Why Choose PEX-a for Hydronic Piping Applications?
PEX A vs PEX B: Pros and Cons - Williams Plumbing
Pro-tip: Thinking of using Pex-A? Avoid Sharkbite (brand) brass fittings (found at some Lowes). The tiny shoulders make it next to impossible to get a proper fit on 90's and Tee's. :
Apollo 1/2 in. x 100 ft. White PEX-A Expansion Pipe EPPW10012 - The Home Depot
PEX A vs. PEX B Piping: What's the Difference? | Village Plumbing
iCrimp F1960 PEX-a Expansion Tool with PEX Pipe Cutter & Expandder Heads(3/8'', 1/2'', 3/4'', 1'') for Expanding Uponor ProPex Type Expansion Rings - - Amazon.com
PEX-A vs PEX-B vs PEX-C | Tubomart
SharkBite 3/4 in. PEX-A Poly Expansion 90-Degree Elbow Fitting (5-Pack) UA256A5 - The Home Depot
PEX-A vs PEX-B vs PEX-C | Tubomart
How to Connect PEX-A to PEX-B - Williams Plumbing
Apollo Expansion Pex 32-Port PEX-A Manifold with 1/2 in. Brass Ball Valves EPXMANI32 | Zoro