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Sea Tech 0959109 AquaLock 1/2" CTS End Cap Plastic Fitting

Manufacturer

Sea Tech

<h3>Sea Tech: Trusted Push-to-Connect Plumbing Solutions for Marine, RV, and Home</h3><p><strong>Sea Tech, Inc.</strong> has been a cornerstone of reliable fluid connection technology since 1995, building a reputation as a go-to source for boat builders, RV manufacturers, and plumbing professionals alike. Now operating under the <strong>AquaLock&trade;</strong> brand — a division of Watts Water Technologies — Sea Tech&apos;s product legacy lives on through an expansive lineup of quick-connect fittings, valves, manifolds, and tubing engineered for demanding real-world applications.</p><p>What set Sea Tech apart from the very beginning was a commitment to tool-free, leak-free installation. Their push-to-connect design eliminates the need for compression sleeves, crimping tools, adhesives, clamps, or welding. A simple push seats the tubing securely, while stainless steel gripping teeth in the collet create a zero-leak connection that can also rotate under pressure — a critical feature in vibrating or dynamic environments like boats and RVs.</p><p>Sea Tech <a href="/7547-sea-tech-pipe-fitting-17358">pipe fittings</a> are compatible with virtually every major tubing material on the market, including PEX, copper, CPVC, LDPE, MDPE, HDPE, and polypropylene. This broad material compatibility makes them equally at home in a boat&apos;s freshwater system, an RV galley line, or a residential water filtration installation. Fittings are available in both standard inch (CTS) and metric sizes, giving OEMs and aftermarket installers the flexibility to spec exactly what they need.</p><p>For onboard water systems and pressurized plumbing runs, Sea Tech&apos;s <a href="/7547-sea-tech-pressurized-water-system-tubing-fittings-200807">pressurized water system tubing and fittings</a> are designed to handle hot and cold water lines, potable water distribution, raw and fresh water washdown, live well systems, and even windshield washing circuits — all certified to ANSI, NSF, and ASTM standards and meeting ABYC and RVIA requirements.</p><p>Beyond connectors, Sea Tech offers a full suite of <a href="/7547-sea-tech-plumbing-parts-accessories-200786">plumbing parts and accessories</a> that round out any installation, from manifolds and tubing cutters to clips and locking accessories for added connection security. Their <a href="/200724-nylon-pipe-hose-fittings-sea-tech-7547">nylon pipe and hose fittings</a> provide a lightweight yet durable option for applications where corrosion resistance and cost efficiency are priorities. And for flow control, Sea Tech <a href="/7547-sea-tech-ball-valves-200130">ball valves</a> deliver dependable shut-off performance in compact, marine-grade form factors.</p><p>Whether you&apos;re a professional boat builder, a weekend DIY boater, or a plumber working on a residential water treatment system, Sea Tech&apos;s AquaLock technology offers a proven, code-compliant solution that reduces installation time and callback risk. It&apos;s the kind of engineered simplicity that earns a brand its long-standing trust in demanding industries.</p>

Part Number

0959109
09/17/2036 12:07 AM
Sale Price

$8.46

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sea Tech 0959109 AquaLock end cap is a premium push-to-connect fitting designed for reliable sealing of 1/2" CTS (Copper Tube Size) tubing in marine plumbing systems. Engineered for easy installation without the need for special tools, glue, or clamps, this fitting provides a secure, leak-free connection that can be installed in seconds.

Key Features:

  • Constructed from high-performance polysulfone thermoplastic for superior strength and durability
  • Push-to-connect design allows for quick, tool-free installation
  • Resistant to corrosion, chemicals, and UV exposure—ideal for marine environments
  • Suitable for potable water applications
  • Can be disconnected and reused multiple times
  • Temperature rated for both hot and cold water lines

AquaLock fittings by Watts are specifically designed for the demanding conditions found in marine, RV, and mobile applications where vibration resistance and reliability are critical. This end cap provides a permanent seal for terminating water lines in fresh water systems.

Products specifications

Description

End Cap

Size

1/2" CTS

Very knowledgeable and answer phone fast

Easy order and fulfillment. I hope the part fits correctly. Thanks!!!

The picture on the website and all the paperwork is for a totally wrong item.

Easy.

Great experience end to end. Part arrived a day before I was expecting.

Good product

love it! easy!

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