Richard Trethewey

Richard S. Trethewey is an American plumber and HVAC contractor, who is best known as a television personality, appearing regularly on This Old House and its spin-offs, Ask This Old House and Inside This Old House. In 1979, producer Russell Morash called on Trethewey Brothers to lend their expertise to his then new home improvement television series. Richard's father Ron filled the role for a season, and then turned the job over to his son, who has handled the...

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This Old House Cast List List of Famous Plumbers