Replace approximately 17 feet of 3 inch PVC drain piping in the basement there is a 90 that is rolled backwards causing a negative pitch coming from two 45s to make the angle correct we have to go back out between the 45s and cut the line to bring it to the proper height for the pitch we had to connect with a Franco on one side and a 90 on the other side one year warranty on labor Also replace Air admits valve under kitchen sink