Plumbing Terminology - N

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Nipple

In the plumbing and piping trade, a nipple is a fitting that consists of a short piece of pipe that is usually provided with a male pipe thread at each end, for connecting to two other plumbing fittings. The length of the nipple is usually specified by the overall length including the threads. It may have a hex section in the center for wrench to grasp.

No-Hub Connector

A No-Hub Connector is a connector for no-hub iron pipe consisting of a rubber sleeve and a stainless steel band secured by hose clamps. A variation, a neoprene sleeve with two adjustable steel bands, is used for connecting dissimilar materials, as when connecting new plastic pipe to an existing cast-iron drainpipe.