How to Replace a Whole-House Plumbing Trap | This Old House

This Old House plumbing and heating expert Richard Trethewey shows tools and techniques for fixing corroded cast-iron pipe. (See below for a shopping list and tools.)
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Shopping List for Replacing a Whole-House Plumbing Trap:
– cast-iron pipe, fitting, and cleanout
– no-Hub couplings, used to join together cast-iron pipe and fittings

Tools for Replacing a Whole-House Plumbing Trap:
– soil-pipe cutter, used to cut cast-iron pipe
– 3-pound sledgehammer
– ball-peen hammer and 3/4-inch cold chisel
– torque wrench
– tape measure

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How to Replace a Whole-House Plumbing Trap | This Old House
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