This is an excerpt from Dan Holohan’s book Pumping Away and other really cool piping options for hydronic systems. Since you've read this far, I figure you must be pretty...
Hot-Water Heating → Piping and Pumps Help Topics
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.
Recent Articles in Hot-Water Heating → Piping and Pumps
![pex tubing](/assets/article-images/pex-tubing__FillWzMwMCwyMDBd.jpg)
A member of The Wall community asked this question and I thought the conversation that followed was interesting: "How many times can PEX freeze before bursting? At what t...
![Mark Handzel Headshot](/assets/blog-images/Mark-Handzel-Headshot__FillWzMwMCwyMDBd.jpg)
The pump industry is on the brink of change as new regulations governing pumps are nearing finalization. Driven by an energy conservation-minded administration, the Depar...
![IMG 2210](/assets/article-images/IMG-2210__FillWzMwMCwyMDBd.jpg)
You have options when it comes to the tubing you bury or staple up on a radiant job. You may choose to go with a particular supplier and never question the type of tubing...
![primary secondary pumping house](/assets/article-images/primary-secondary-pumping-house__FillWzMwMCwyMDBd.jpg)
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...
![blog6](/assets/article-images/blog6__FillWzMwMCwyMDBd.jpg)
Q: What's loop hot water heating? A: It's the simplest method of heating with hot water. Each zone consists of a single loop made up of the pipe and the radiators.
In 1994, I wrote a book called, Pumping Away, which I began by remembering the late, great Gil Carlson. Here's what I wrote: When I knew Gil Carlson, he was never far fro...
![momo1](/assets/article-images/momo1__FillWzMwMCwyMDBd.jpg)
If you're watching the news you probably realize that, these days, Americans are becoming more conscious of green things, as well as rising fuel prices. I think that's go...
![Gilbert Carlson](/assets/article-images/Gilbert-Carlson__FillWzMwMCwyMDBd.jpg)
I was lucky to have had as one of my teachers the late, great Gil Carlson. Gil was Bell & Gossett’s Director of Technical Services and when he would come to New York City...
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A question asked on the Wall, "What do I need to consider with a hot-water system running on constant circulation?" Mark Eatherton replies: It has to be designed into the...