Landscaping contractor Roger Cook and a specialist help a homeowner install a granite driveway marker so that visitors can more easily find his house. Then Roger, along with plumbing and heating expert Richard Trethewey, general contractor Tom Silva, and host Kevin O'Connor ask, "What is it?" Afterward, Richard heads to Pennsylvania to fix a hot water radiator that is not providing any heat.
| Title | Ask This Old House - Season 4 Episode 20 Granite Driveway Marker; Hot Water Radiator System |
|---|---|
| Year | 2025 |
| Genre | Documentary |
| Country | United States of America |
| Studio | PBS |
| Cast | Richard Trethewey, Norm Abram, Roger Cook, Kevin O'Connor, Tom Silva, Steve Thomas Rooney |
| Crew | |
| Alternative Titles | |
| Keyword | home renovation |
| First Air Date | Oct 10, 2002 |
| Last Air date | Jan 09, 2025 |
| Season | 23 Season |
| Episode | 603 Episode |
| Runtime | 30:14 minutes |
| Quality | HD |
| IMDb: | 3.70/ 10 by 15.00 users |
| Popularity | 51.723 |
| Language | English |
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