Installing a granite marker with an address number and repairing a hot water radiator that isn't providing any heat.

Landscape contractor Roger Cook and a specialist help a homeowner install a granite marker with his address number on it so that visitors can more easily find his house. Plumbing and heating expert Richard Trethewey makes a HOUSE call to Philadelphia, Pennsylvania, to help a pair of homeowners with a hot water radiator that isn't providing any heat.