How to Install an Anti-Scald Shower Valve | Ask This Old House

Richard Trethewey replaces a three-handle shower valve with a single-handle anti-scald valve. (See below for a shopping list and tools.)
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Shopping List for How to Install an Anti-Scald Shower Valve:
- Single-lever pressure-balance shower valve with cover plate []
- Emery cloth [], for buffing clean copper pipe ends
- Lead-free solder [] and flux [], used for soldering
- Plumber's putty [], for creating a watertight seal around the valve's cover plate
- Cotton cloth [], used to buff the valve clean
Tools for How to Install an Anti-Scald Shower Valve:
- Pliers []
- Screwdriver []
- Cordless drill []
- Handle puller [], used to remove stubborn valve handles
- Pipe wrench [], used to unscrew stem units from the valve
- 1/8-inch-diameter masonry bit [], for boring holes through tile
- Oscillating multi-tool [] and carbide-grit blade [], used to cut tile
- Hammer [] and 1/2-inch cold chisel [], for chipping tile off the wall
- Wet/dry vacuum [], used to collect dust
- Reciprocating saw [] with metal-cutting blade [], for cutting out the old valve
- Tubing cutter [], used to cut copper pipe
- Plant mister [], used to mist the wall cavity with water prior to soldering
- Propane torch [], for soldering
- Digital thermometer [], used to check hot-water temperature
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How to Install an Anti-Scald Shower Valve | Ask This Old House
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