Product review (5 stars): Did not show that step works perfectly Instructions offered many tests to verify that the valve was at fault and not something e
Have to cut off the existing  flange end of the pipes as the newer fitting is a self seal on the unflanged pipe
Installed in less that 20 minsafterifigured out what to do
Instructions. Did not show that step  works perfectly
Instructions offered many tests to verify that the valve was at fault and not something else  before installation

My original was leaking and it was clearly visible  replacement went together nicely