Ask This Old House Season 4 Episode 20 Granite Driveway Marker; What is It?; Hot Water Radiator System

In season 4 episode 20 of Ask This Old House, the team sets out to tackle three different home improvement projects, including a mystery granite marker on a driveway, a mysterious object that homeowners wanted to uncover the meaning for.

First, the team consists of Tom Silva, Roger Cook, Richard Trethewey, and Kevin O'Connor as they help a homeowner determine the purpose and origin of a granite marker in their driveway. They consult a historical expert, who tells them that the granite marker used to indicate a specific boundary line, which was a common practice in the early 20th century. The team then works to restore the marker to its former glory by cleaning it and repainting the numbers.

Next, the show moves on to a segment where Kevin O'Connor visits a manufacturer to learn about how hot water radiators are made and how they work to heat up a home. The segment includes a demonstration of how hot water radiators are made, and also shows how these radiators are installed in a home.

Finally, Richard Trethewey heads to a home where the boiler seems to be malfunctioning and not heating water to the desired temperature. After troubleshooting the system and testing the thermostats, Richard finally discovers the issue: the boiler's water pressure is too low, causing it to under-perform. He then walks the homeowners through the steps to properly add water to the system, ultimately restoring the hot water radiator system's functionality.

Throughout the episode, the show's experts demonstrate their knowledge on historical markers, heating systems, and home improvement, sharing tips and tricks for viewers who might want to try similar projects at home. From the importance of regular boiler maintenance to the intricacies of radiator design, Ask This Old House offers a wealth of information for homeowners looking to improve their home systems.

Overall, season 4 episode 20 of Ask This Old House offers a fun and informative look at a variety of home improvement projects, all of which demonstrate the intricacies of home renovation and the importance of maintaining a functional home system. Anyone looking for tips on dealing with historical markers, hot water radiators, or boiler maintenance will find plenty to learn from this episode.