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Apply Teflon Tape — Apply Teflon Tape for a Watertight Seal

Beginner2 hours

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Fix a Leaky Outdoor Faucet: Water Intake Repair Guide · Step 4 of 6

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In this video

Wrap Teflon tape around the male threads of the compression fitting. The tape helps to create a more secure, watertight seal when the fitting is reassembled.

Goal: Seal the threads of the fitting.

  • Wrap the tape in the same direction that the nut will be tightened (clockwise) to prevent it from unraveling.
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FAQs

What if my outdoor faucet is leaking from the handle or spout, not the intake connection?

This guide specifically addresses leaks at the supply pipe connection (the intake). Leaks from the handle or spout usually indicate worn-out internal components like a packing nut or washer, which require a different repair process. You'd likely need to replace specific internal parts, not just reseal the threads on the supply pipe.

Why is it important to use two wrenches when disconnecting the supply pipe?

Using two wrenches—one to hold the existing pipe steady and the other to turn the faucet—prevents twisting and damaging your home's main water supply pipes. Twisting can lead to a larger, more serious leak inside your wall or foundation, making this a critical safety step.

Can I use pipe dope instead of or in addition to Teflon tape for sealing the threads?

Yes, you can use pipe dope in addition to Teflon tape for an extra layer of sealing security, especially for outdoor connections. Apply 4-6 wraps of Teflon tape clockwise to the male threads first, then a thin layer of pipe dope over it. While pipe dope alone can work, the combination offers superior leak prevention for threaded connections.

I've reconnected everything, but the intake connection is still leaking slightly. What should I do?

First, ensure the water supply is completely off again. The most common issues are insufficient Teflon tape, incorrect application (not clockwise), or damaged threads. Disassemble, clean threads thoroughly with a wire brush, apply 4-6 wraps of Teflon tape clockwise, and ensure the connection is tightened firmly but without overtightening. Inspect the threads for pitting or major damage.

Transcript
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And we tap on until we pull all the way out You can see the olive right there We're gonna put tap on over So when the pipe is bent like that, it's normally over

Auto-generated transcript. May contain errors.