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How to Connect a Lead Pipe to Poly

Lead pipe is found in many older homes, as it was the most common pipe material used prior to the 1950s. Tying into or updating the lead pipe with plastic or poly pipe requires the use of a rubber coupling which are available in several sizes and shapes to accomodate different pipe diameters. Remove any old piping and hang the new poly pipe prior to making the connection.

Determine the size of rubber coupling required. Measure the diameter of the existing lead pipe and the diamter of the poly pipe. Purchase a coupler that will fit over the lead pipe and the poly pipe.

Push the end of the rubber coupler snugly over the end of the lead pipe.

Insert the poly pipe into the opposite end of the coupler.

Tighten the hose clamps on both sides of the coupler with a flat head screwdriver.

Things You'll Need

  • Tape measure
  • Rubber coupling with clamps
  • Flat head screwdriver
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About the Author

Kim Blakesley is a home remodeling business owner, former art/business teacher and school principal. She began her writing and photography career in 2008. Blakesley's education, fine arts, remodeling, green living, and arts and crafts articles have appeared on numerous websites, including DeWalt Tools, as well as in "Farm Journal" and "Pro Farmer."