The right shut-off valve can make the difference between a quick, leak-free installation and an ongoing plumbing headache. Dahl, a trusted Canadian manufacturer with decades of expertise, has designed their 511-41-31 Mini-Ball Valve to meet the needs of professional plumbers and DIY homeowners alike. This compact yet powerful component is engineered to provide dependable shut-off control with unmatched durability.
The valve is designed with a 3/8" OD female compression inlet and a 3/8" OD compression outlet, making it perfectly suited for applications where quick-connect fittings are required for supply lines. It’s a particularly popular choice for connecting to faucets, toilets, water filters, and similar fixtures.
The Dahl 511-41-31 is manufactured from lead-free brass, ensuring compliance with North American potable water standards. Its chrome-plated finish not only improves corrosion resistance but also provides a sleek, professional look for installations that remain visible. The body of the valve is compact, allowing it to fit in tight areas, such as under sinks, behind toilets, or within cabinetry.
Instead of relying on washers or seals that can wear out over time, Dahl mini-ball valves employ a quarter-turn ball mechanism. With just a simple 90-degree turn, you get instant and reliable shut-off. This design reduces long-term maintenance, ensures smoother operation, and extends the service life of the valve.
The valve’s design includes female compression on the inlet and male compression on the outlet, making it extremely versatile for connecting to common 3/8" OD supply tubing. Installation is straightforward—no soldering, gluing, or complex tools required—just a tight, secure compression fit for a leak-proof seal.
The Dahl 511-41-31 is one of the most versatile shut-off valves you’ll find in modern plumbing systems. It is suitable for:
Bathroom Fixtures: Connecting water supply lines to faucets and toilets.
Kitchen Fixtures: Dishwasher supply lines, sink shut-offs, and icemaker hookups.
Appliances: Water filter systems, reverse osmosis units, and under-sink treatment systems.
Maintenance: Perfect for isolating specific lines when servicing or replacing fixtures.
3/8" OD Female Compression x 3/8" OD Compression.
Compact mini-ball valve design.
Lead-free brass construction with a corrosion-resistant chrome finish.
Quarter-turn ball valve operation for quick shut-off.
No-solder installation with reliable compression fittings.
CSA and NSF certifications for potable water use.
Long-lasting, professional-grade performance.
Made in Canada – Manufactured with consistent quality standards.
Durability – Built to withstand daily use and high water pressures.
Compliance – Lead-free and certified for drinking water safety.
Ease of Installation – Designed for professional plumbers and DIY installers alike.
Trusted Brand – Dahl has been an industry leader for over 65 years.
If you’re looking for a shut-off valve that’s compact, efficient, and built to last, the Dahl 511-41-31 is an excellent choice. Its compression fittings mean quick installation, while its lead-free brass and chrome-plated finish ensure safety and durability. The quarter-turn ball valve design ensures dependable control, making it a preferred product for both residential and light commercial plumbing systems.
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