<P> Mullally has guest - starred seven times as Tammy Swanson on the NBC series Parks and Recreation , in the episodes `` Ron and Tammy , '' `` Ron & Tammy : Part Two , '' `` Li'l Sebastian , '' `` Ron and Tammys , '' `` The Trial of Leslie Knope , '' `` Ron and Diane , '' and `` Ron and Jammy '' . Mullally plays the role of the second ex-wife of the character Ron Swanson , who is played by her real - life husband , Nick Offerman . Offerman also had a part on one episode of Mullally 's show Will & Grace where he played a plumber who came to Will 's mother 's house while Will , Karen , Grace , and Jack were visiting . </P>
<P> Mullally has guest - starred seven times as Tammy Swanson on the NBC series Parks and Recreation , in the episodes `` Ron and Tammy , '' `` Ron & Tammy : Part Two , '' `` Li'l Sebastian , '' `` Ron and Tammys , '' `` The Trial of Leslie Knope , '' `` Ron and Diane , '' and `` Ron and Jammy '' . Mullally plays the role of the second ex-wife of the character Ron Swanson , who is played by her real - life husband , Nick Offerman . Offerman also had a part on one episode of Mullally 's show Will & Grace where he played a plumber who came to Will 's mother 's house while Will , Karen , Grace , and Jack were visiting . </P>
who played the plumber on will and grace
who played the plumber on will and grace
Nick Offerman
Nick Offerman