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Check out our Video on Rough-In Plumbing to learn how the plumbing works for a kitchen sink

Rough-In Plumbing
This video was filmed in the unfinished kitchen by the Sink at Lot 52 St. James

It is important to note that Jeff Satterwhite is not a plumber, he is a general contractor.

There is a Cold line and Hot line which are made of a material called PEX, a PVC type of plastic pipe which has good quality for expanding and contracting due to heat and cold, gain and loss.

Each corner or union of the piping has brass fittings with special compression rings. The brass stub out-tips connect to the faucet because the brass ends make a better pigtail and a lot of faucets have sortered end that must be sortered with copper.

Most of the runs in the lines that are hot and cold supply are made of the PEX PVC material, which is very strong, much better than the material from 10-15 years ago that was made with polybutylene This is a new type of polymer piping.

The larger white PVC pipe serves as a vent and a drain. It comes from the drain from the sink and is Schedule-40 piping. Every particular fixture for plumbing has to have a vent in order to vent the sewer gas and create a water supply and to let the air drain from the water so you don’t have the gurgling sound.

Nail plates are put at the bottom of the piping to protect the pipes from the sheet rock and trim. Normally the Supply lines are 20-feet long. So they try to have the unions above or below the wall so there are very few unions that are actually in the wall cavity.

Thank you for watching. For more information or questions, go to www.gocenterline.com or contact Jeff Satterwhite at (910) 620-8883 or Jeff@gocenterline.com