Skip to main content

Connect the Copper Tubing — Tighten Compression Nuts

Beginner

Part of project

How to Install a Water Hammer Arrestor to Stop Banging Pipes · Step 6 of 7

Helpful?

In this video

Prepare the new copper tubing by ensuring the end is clean and smooth; file it if necessary. Slide the compression nut onto the tubing, followed by the brass ferrule (compression ring). Insert the end of the tubing fully into the outlet port on the saddle valve. Slide the nut and ferrule down and hand-tighten the compression nut onto the valve. Finally, use a crescent wrench to tighten the nut about one full turn past hand-tight to create a secure, leak-proof connection.

Goal: Attach the new water line to the saddle valve

  • Do not crimp or bend the copper tubing at a sharp angle, as this can restrict water flow or cause a weak point.

Used in this video

  • Crescent Wrench (brand: Unknown, Tool Type: Hand Tools, Power Source: Manual)Tightening the compression nut to secure the copper tubing to the valve.
  • Metal File (brand: Unknown, Tool Type: Hand Tools, Power Source: Manual) · optionalSmoothing the end of the copper tubing to ensure a proper seal.
198.3K views3545 minutes
SharkBite Plumbing

32K subscribers

View Channel

FAQs

Do I really need all the listed tools for this water hammer arrestor installation, or can I manage with fewer?

For a successful and leak-free installation, the tubing cutter, deburring tool, and adjustable wrenches are essential. While you might try a hacksaw, a tubing cutter ensures a cleaner, square cut vital for compression fittings. The deburring tool prevents damage to the O-ring and ensures a tight seal, so these are not optional for a reliable outcome.

What are the critical safety precautions I must take when installing a water hammer arrestor, especially as a beginner working with plumbing?

Always begin by shutting off the main water supply to your home and draining the lines to prevent unexpected floods or sprays. Wear safety glasses to protect against debris and gloves to prevent cuts from sharp pipe edges. Double-check that the water is completely off before making any cuts to the pipe.

How much time should a beginner budget for this water hammer arrestor installation, and what's the approximate material cost?

A beginner should typically budget 1 to 2 hours for this project, allowing time for preparation, precise cutting, assembly, and thorough leak checks. The primary material cost will be for the water hammer arrestor itself and the compression tee, generally ranging from $30-$60 depending on your specific chosen parts and local pricing.

What are the most common mistakes beginners make when installing a water hammer arrestor, and how can I avoid them?

A frequent mistake is not deburring the pipe ends thoroughly, which can lead to leaks at the compression fitting due to an improper seal. Another common error is under-tightening the compression nuts; ensure they are snug and firm, but avoid overtightening and stripping the threads. Also, remember to use Teflon tape on the arrestor's threaded connection points, but not on the compression connections themselves.