so that one can assemble around the depending body of the flange which body is disposed below the sink one or more rings and a split spring type ring or Cee-shaped keeper so that the rings are maintained around the body of the flange and in turn a garbage disposal may be mounted to th...
An air admittance valve must always be accessible because you may have to service or replace it, so if you install it behind a sink wall, you must provide a removable access panel. The AAV must also be in a location that allows air to enter the valve, so it can't be in an airtight...