Depends on the connection type
Brass PEX Ball Valves come with different ends. Some need special tools, others do not. Your choice determines tool requirements. Example: push-fit valves need no tools at all.
Crimp connection needs a crimp tool
Crimp-style valves require a PEX crimping tool. This tool is special and costs $30-100. Brass PEX Ball Valves with crimp ends also need a go/no-go gauge. Example: the IWISS F1807 tool is popular for 1/2-inch and 3/4-inch.
Clamp (cinch) connection needs a cinch tool
Clamp connections use stainless steel rings with ears. A cinch tool tightens these rings. Brass PEX Ball Valves with clamp ends need this specific tool. Example: the IWISS F1807 does both crimp and cinch with different jaws.
Compression connection needs only wrenches
Compression fittings use a nut and ferrule. You tighten them with standard wrenches. Brass PEX Ball Valves with compression ends are DIY-friendly. Example: two adjustable wrenches are all you need.
Push-fit connection needs no tools at all
Push-fit valves have internal grab rings. You simply push the pipe into the valve. Brass PEX Ball Valves with push-fit ends install in seconds. Example: the SharkBite brand is famous for this connection type.
Expansion (F1960) needs an expansion tool
Expansion connections require a power tool. The tool expands the PEX pipe before insertion. Brass PEX Ball Valves with expansion ends need this expensive tool. Example: Uponor ProPEX systems use expansion tools costing $300-800.
Example: homeowner installing a new shut-off
A homeowner needs a valve for a new sink. They buy Brass PEX Ball Valves with push-fit ends. No tools are required for installation. Example: the job takes 2 minutes with just a pipe cutter.
Example: professional plumber on a job site
A plumber is installing 50 valves in an apartment building. They choose Brass PEX Ball Valves with crimp ends. They already own a high-quality crimp tool. Example: the tool cost is amortized over many jobs.
PEX pipe cutter is always required
No matter the connection, you need a clean pipe cut. A PEX cutter costs $10-30. Brass PEX Ball Valves need square cuts for proper sealing. Example: a small ratcheting cutter works for all sizes.
Deburring tool is recommended
Removing burrs from the cut pipe end helps. Push-fit and compression benefit most. Brass PEX Ball Valves with any connection type seal better. Example: a simple deburring tool costs $5-10.
Marking tool for insertion depth
Push-fit and compression need correct insertion depth. A marker or depth gauge helps. Brass PEX Ball Valves with these ends have depth marks. Example: mark the pipe 1 inch from the end before inserting.
Summary of tool requirements
Brass PEX Ball Valves tool needs vary by type. Crimp and clamp need special tools (crimp or cinch tool). Compression needs only wrenches. Push-fit needs no tools. Expansion needs a power expansion tool. All types need a PEX cutter. A deburring tool is recommended for all. Choose your valve type based on tools you own or want to buy. Example: a DIY homeowner should choose push-fit or compression valves. A professional should choose crimp or expansion for speed and reliability.