top of page

Cap a Water Line!

Our Product

Product Description

Stop Cap (Patent Pending) is an innovative solution designed for plumbers and DIY enthusiasts to easily and efficiently cap off water lines. This product allows you to remove the existing shut-off valve and attach a plug directly to the existing nut and ferrule, simplifying the process and saving time.

Key Features

  • Stainless Steel Construction: Durable and resistant to corrosion, ensuring a long-lasting product life.

  • Lead-Free: Safe for all potable water applications, meeting all health and safety standards.

  • Reusable: Designed to be used multiple times without compromising the integrity or performance.

  • Made in the USA: Proudly manufactured in the United States, ensuring high-quality standards and supporting local jobs.

Benefits

  • Time Saver: Reduces the time needed for plumbing tasks by simplifying the capping process. No need to cut and replace pipes or fittings.

  • Cost-Effective: Eliminates the need to purchase additional shut-off valves or other components when capping a water line temporarily or permanently.

  • Easy Installation: Simply remove the existing shut-off valve and attach the Stop Cap to the nut and ferrule. Perfect for both professionals and DIY enthusiasts.

  • Versatile: Ideal for remodeling projects, such as replacing an old sink base, or any situation where a water line needs to be temporarily capped.

Use Cases

  • Remodeling Projects: When replacing cabinets or sinks, use the Stop Cap to temporarily cap off water lines without removing the nut and ferrule.

  • Plumbing Repairs: Ideal for situations where a shut-off valve needs to be removed for repair or replacement, allowing for easy temporary capping.

  • Emergency Plumbing: Quickly cap off water lines in case of an emergency to prevent leaks and water damage.

Installation Instructions

  1. Shut Off Water Supply: Ensure the main water supply is turned off before starting the installation process.

  2. Remove Existing Shut-Off Valve: Unscrew the existing shut-off valve from the nut and ferrule.

  3. Attach Stop Cap: Screw the Stop Cap onto the existing nut and ferrule, ensuring a tight and secure fit.

  4. Verify Seal: Turn the water supply back on and check for any leaks around the Stop Cap.

copper pipe with shut off valve and stop cap
copper pipe with shut off valve
copper pipe with shut off valve on it

Meet Our Team

Our Story

Established in 1995, United Precision Machining (UPM) a leading manufacturer of quality parts and Excel Mechanical with the wealth of plumbing knowledge came up with the "Stop Cap" design. With the goal to begin catering to wholesalers and dealers, To be able to make this available to everyone. Our dedication to excellence and high standards have earned us a strong reputation in the industry.

Excel Mechanical LLC Logo
United Precision Machining Logo
bottom of page