Hot-Water Heating 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.

Hot-Water Heating Categories

Recent Articles in Hot-Water Heating

Circulators or Zone Valves

Back in my rep days, half a lifetime ago, I sold Bell & Gossett circulators. We didn’t have a viable zone valve available at the time, and when the factory finally showed...

Published on 01/25/2023 1:02 PM by Dan Holohan
Posted in Hot-Water Heating
Adventures in Pumping

I read somewhere that the most prevalent machine in the world is the electric motor. I thought about that for a while and it made sense. Just look around.

Published on 12/07/2021 11:47 AM by Dan Holohan
Posted in Hot-Water Heating
Marbles and Ghosts

I worked for a manufacturers’ rep when I was first learning about hydronics. A guy I worked with was 15 years older than me. He knew that I had absolutely no training as ...

Published on 10/12/2021 3:48 PM by Dan Holohan
Posted in Hot-Water Heating
Baseboard Adventures

So this fella comes up to me after a hot-water seminar and tells me about a problem he's having with this copper-fintube baseboard loop he installed in this big hall with...

Published on 07/07/2021 9:31 AM by Dan Holohan
Posted in Hot-Water Heating
Your Body Is A Radiator

Ever been to Ocean City, Maryland? It’s a summertime wonderland, and I was lucky enough years ago to get hired to do a seminar on hydronic radiant heating for a group of ...

Published on 03/03/2021 10:17 AM by Dan Holohan
Posted in Hot-Water Heating
health nation
What Makes Plumbing Healthy

Clean, safe water is what we expect and need running from our taps, but there are a number of things that can get in the way of that goal. I’m not a scientist, just a plu...

Published on 09/25/2020 9:26 AM by Larry Weingarten
Posted in Hot-Water Heating
Pressure Reducing Valves partnered with Caleffi on the Hot Topics with Hot Rod webinar series. In this episode, Bob "Hot Rod" Rohr talks about pressure reducing valves. Ever wonde...

Published on 08/17/2020 12:07 PM
Posted in Hot-Water Heating