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Prepare Valve with Sealants — Install the New Shower Valve

Beginner4 hours

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Shower Faucet Replacement: A Complete DIY Guide · Step 3 of 4

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Begin by preparing the shower valve for installation. Identify the three inlets for hot water, cold water, and the shower head outlet, ensuring the valve is oriented correctly with the 'UP' marking facing upwards. To prevent leaks, wrap Teflon tape around all three threaded inlets. The tape should be wrapped flat and straight, in a clockwise direction, for five to six revolutions. Following the Teflon tape, apply a layer of pipe joint compound over the tape, also in a clockwise motion. This provides an additional layer of sealing.

Goal: Seal valve inlets to prevent leaks

  • Wrapping sealants in a clockwise direction prevents them from unraveling when you tighten the fittings.
  • Keeping the Teflon tape flat and without twists ensures a better seal.
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steven lavimoniere

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FAQs

What additional tools or materials might I need that aren't listed as 'required'?

Beyond the basic adjustable wrench and multi-screwdriver, you might need penetrating oil for stubborn screws, a putty knife for escutcheon removal, or soldering equipment if your new valve requires soldered connections. Always check your specific faucet's manufacturer instructions for precise requirements.

How important is it to take photos of the old hardware before removal?

Taking photos is crucial, especially for beginners. It provides a visual guide for how various parts fit together, which is incredibly helpful during the reassembly of the new hardware and ensures you don't miss any small components or their correct orientation.

What should I do if I can't completely shut off the water to my shower?

If you can't locate or shut off the individual hot and cold supply lines for the shower, you'll need to turn off the main water supply to your entire house. If access is difficult or the main shut-off is problematic, it's best to contact a professional plumber before proceeding to avoid water damage.

My new shower valve requires soldering, but I've never done it before. What should I do?

Soldering copper pipes requires specific tools, training, and technique; improper soldering can lead to significant leaks. If your valve requires this method and you're uncomfortable, consider hiring a plumber for this specific step or look for a new valve that uses compression or PEX connections instead.

Transcript
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you have three inlets for your hot cold water and your shower head. Now to make a leak free connection here you're going to need Teflon tape. This is going to prevent leaks and it's also going to act as a lubricant. So what you want to do is make sure it goes on nice and straight and to take my tape you want to wrap this. You're looking to keep the tape nice and straight and flat as you wrap it around your inlet here. So the key here you don't want to have any twisting on this and you're going to notice I'm going in a clockwise motion because our fitting is going to be installed in a clockwise motion. So we're doing this about five or six times. It's going to put my finger there so it doesn't move on me and then pull it okay then press it in that clockwise motion. So once you've done that you're going to repeat the exact same thing on your two other inlets. So that's what you're looking for. All three are taped. Now another step in your leak prevention is pipe joint compound. This is going to prevent leaks. So to use it you're going to take your valve and we're going to coat go along the threads here and we're painting this again in a clockwise motion okay. This is just going to get in the threads and this is a step an added layer of insurance and then I'm going to go again clockwise. We always go clockwise here because when we screw our fitting on we don't want to undo all our work right. I'm going to coat that on and then get our fittings on there. Got that on. Now the first fitting you're going to need is this one right here it is your half inch female adapter. You're going to need three of those to connect your pecs B.

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