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Locate and Mark the Plumbing Center — Create Wall Access

Intermediate16 hours

Part of project

How to Convert a 3-Handle Shower Faucet to a Single-Handle Valve · Step 2 of 9

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In this video

To find the location for the access panel, measure from a common reference point, such as a door jamb, to the center of the shower valve both horizontally and vertically. Transfer these two measurements to the wall on the opposite side of the shower, making a cross mark on the drywall that indicates the center of the plumbing valve.

Goal: Mark the center of the shower valve on the wall.

  • Using the same reference point on both sides of the wall is crucial for accurate placement of the access panel.

Used in this video

  • Tape Measure (Tool Type: Measuring Tools)Measuring the distance from the reference point to the valve.
  • Pencil (Tool Type: Hand Tools)Marking the measurements on the wall.
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FAQs

This project is rated 'intermediate.' What specific skills or prior experience are essential for successfully converting a three-handle shower faucet?

An intermediate rating means you should be comfortable with basic plumbing tasks, including cutting pipes and making secure connections. Experience with soldering copper pipes is crucial, as the new valve typically requires soldered connections. You'll also need basic carpentry skills for opening and repairing the access wall.

The estimated time is 16 hours. What aspects of this conversion project take the most time, and can it be completed in a single weekend?

The 16-hour estimate accounts for significant stages like creating wall access, carefully removing the old valve, precisely soldering the new one, and thorough leak testing. Repairing and finishing the access wall also adds considerable time. While possible to do in a weekend, spreading it over a few days allows for drying times and meticulous work, especially for leak checks.

What are the critical safety considerations, especially regarding soldering and working with plumbing behind the wall?

Always turn off the main water supply before starting. When soldering, ensure excellent ventilation to disperse fumes and have a fire extinguisher nearby; protect surrounding studs with a heat shield. Wear appropriate PPE, including safety glasses and gloves. Thoroughly drain pipes to avoid steam buildup during soldering.

What are the most common mistakes DIYers make during this type of shower valve conversion, and how can they be avoided?

A common mistake is improper soldering, leading to leaks. Ensure pipes are clean, flux is applied correctly, and joints are heated evenly. Another error is not thoroughly leak testing before closing the wall; pressurized water should run for several hours. Also, double-check the new valve's orientation and depth before securing it.

Locate and Mark the Plumbing Center — How to Convert a 3-Handle Shower Faucet to a Single-Handle Valve (Step 2, Video 2) | Stesso