This section is your guide to hot-water heating systems with information about system design and piping, air elimination, pumping away, primary-secondary pumping, valves, radiators, troubleshooting tips, and more.
In this excerpt from his Classic Hydronics seminar, Dan Holohan talks about primary-secondary pumping on two-pipe hot water heating systems.
Want to learn more? Read ...
In this excerpt from his Classic Hydronics seminar, Dan Holohan explains how primary-secondary pumping works in a one-pipe hot water heating system. Dan talks about valve...
Dan Holohan shares his knowledge about primary-secondary pumping with multiple boilers on hot-water heating systems.
Want to learn more? Read Dan Holohan’s book Classic...
Primary-secondary piping systems call for the tees that go off to the secondary circuit to be close together, ideally not more than six inches apart. Think like water and...
Primary-secondary pumping has become pretty popular nowadays, especially with boiler manufacturers. They love it because it offers a simple way to protect their boilers a...
The guy had told his architect to have a corner of his basement dug out so that he could play half-court basketball with his two kids. The ceiling was 14 feet above the p...