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Hot-Water Heating → Radiators 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 → Radiators

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Radiator Paint Colors

Ever wonder why so many of the old radiators you see are painted silver? Back in the day, they were mostly plain grey metal, but then the Spanish Influenza arrived during...

Published on 08/16/2016 4:22 PM
Posted in Steam Heating and Hot-Water Heating
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Old Radiator Ratings

If you're replacing a steam boiler, there's only one right way to size that boiler, and that's to measure the radiators. If you're replacing a hot-water boiler, you'll do...

Published on 06/25/2016 1:53 PM by Dan Holohan
Posted in Steam Heating and Hot-Water Heating