Cap for sealing a bathtub overflow port for testing purposes

Abstract

A temporary closure for a bathtub overflow port, comprising placing in the outer end of an internally threaded drain pipe extending through the overflow port a solid cap externally threaded on the inner end.

What is claimed is:  
     
         1 . An overflow system for a bathtub which has a bottom, and adjacent side and endwalls, a drain port in the bottom, and overflow port in an endwall, comprising, a drain pipe adapted to be in communication with said drain port and said overflow port, 
 said drain pipe having an inverted L-shape, including a horizontal leg extending into and through the overflow part of the bathtub, and a vertical leg extending downwardly for connection to a fluid drain system,    and a solid cap threaded into interior threads of the horizontal leg extending through the overflow port to close the end of the horizontal leg.    
     
     
         2 . A plumbing test system comprising, 
 a pipe having a first exposed end and second end in communication with a fluid source, wherein the first end comprises an internal threaded portion;    a cap assembly threadably mounted in the first end and wherein a portion of the cap assembly is composed of a material capable of sealing the first end when the cap is threaded onto the first end.