Sectional boiler.

It perfected its original cast iron sectional boiler design five years later and it became one of the top-selling models.

In a cast iron sectional boiler, sometimes called a "pork chop boiler" the water is contained inside cast iron sections.

The boiler, built at Willamette Iron Works, of a type known as "Gates Sectional Boiler" was 7 feet in diameter and 30 feet long.

It is our intention to continue to provide cover for the making good of nipple joints on sectional boilers, although unlike many companies, the following clause which normally appears in brackets after defective joints has been omitted ('other than joints between the sections of the sectional heating or hot water supply boilers').