Hot-Water Heating → Boilers 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 → Boilers

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Boiler Ratings Explained

When you look in a boiler manufacturer's catalog you'll see that there are several types of ratings for each boiler. There's the Input rating, the Gross Output rating (wh...

Published on 06/18/2014 10:49 AM by Dan Holohan
Posted in Steam Heating and Hot-Water Heating
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Modulating-Condensing Boilers

A question asked on the Wall, "Who, in your opinion, makes the best modulating-condensing boiler?" Andrew Hagen replies: My favorites in order: 1. Viessmann Vitodens 2. T...

Published on 06/18/2014 10:07 AM
Posted in Hot-Water Heating
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Boiler Failure After Two Years

The boilers (and there were 20 of them) were laying out there in the parking lot, not far from the boiler room door. I could see them as Joe and I drove up. “Nobody knows...

Published on 06/18/2014 9:25 AM
Posted in Hot-Water Heating