Ask This Old House

Installing A Recirculation Pump; Lining A Fireplac

Plumbing and heating expert Richard Trethewey installs a recirculation pump to provide hot water quickly to a bathroom. Then, general contractor Tom Silva shares a tip for fixing the handle on a casement window. Afterward, Tom, Richard, host Kevin O'Connor and landscape contractor Roger Cook ask, "What is it?" Kevin travels to Dallas to help a homeowner line her fireplace chimney.