Boilers & Hydronics

Laars Heating Systems Co.: Commercial Condensing Boiler

January 21, 2013
The NeoTherm® LC condensing boiler is a fully packaged, 1 million- or 1.7 million-Btu, space-saving hydronic unit that offers 94 percent thermal efficiency. It is a direct vent, sealed-combustion boiler or volume water heater that modulates with a 10-to-1 turndown. 


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Anvil® International: HVAC Hook-Up Kits

January 21, 2013
The Gruvlok® KNX Series hydronic hook-up kits integrate the typical 54 components required to connect piping to hydronic heating or chiller system equipment into a pre-engineered, pre-assembled, and pre-tested kit of only four components, saving up to 80 percent on labor compared to traditional connection methods.


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Troubleshooting Old Steam-Heating Systems

January 14, 2013
Older cities are loaded with boiler rooms full of steam-heating boilers, and lots of people — knuckleheads included — have had decades to mess with what the “dead men” once lovingly installed. So, here’s a short list of things to look for when you’re troubleshooting one of those old systems, starting in the boiler room.
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AERCO International: Wall-Hung Condensing Boilers

December 17, 2012
The TriMax Control helps the Esteem 399 wall-hung condensing boilers deliver 96 percent efficiency for improved system operation and reduce energy consumption in a variety of commercial applications requiring 16,000-399,000 Btuh. The control’s 60-second setup simplifies boiler installation.


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Taco: Boiler Reset Control and Switching Relay

December 17, 2012
Microprocessor-based, the Fuel-Mizer™ outdoor reset switching relay control is designed to regulate the supply water temperature of a single boiler, based on the outdoor temperature. With reduced supply water temperatures, substantial energy savings are achieved, the company said.


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Troubleshooting a Wimpy Steam Heater

November 19, 2012
So there’s this steam unit heater that won’t put out what it’s supposed to put out. It’s wimpy. The guy with the problem is telling me about it and he’s gesturing like he’s swatting bees. What is a contractor to do?


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Consumers Show Interest in High-Efficiency Boilers

October 22, 2012
The new residential boiler efficiency standards just went into effect in September, with gas-fired hot water boilers now having to be a minimum of 82 percent AFUE. Many in the industry note that sales of higher efficiency boilers have been trending up, so homeowners are already expressing interest in better efficiency.


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Hydronics Roundtable Explores Value of Water Systems

October 15, 2012
While seven of 10 American homes utilize forced air to heat and cool their homes, a rising portion of the industry believes radiant and hydronic heating and cooling provides a better path to prosperity. These self-proclaimed “wet heads” met in Providence, R.I., Sept. 11-12 for the inaugural Hydronics Roundtable.


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New Commercial Products Bring the Heat

October 8, 2012
In addition to the 2012 Commercial Heating Showcase Product Grid, The NEWS spotlights the industry’s latest commercial heating products in this photo feature. The manufacturers provided the brief description of features included with each product.


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Harsco Industrial Patterson-Kelley: Condensing Dual-Fuel Boilers

September 24, 2012
The P-K MACH® condensing boiler dual-fuel product line has been expanded. According to the manufacturer, switching from natural gas to propane is fast and easy, only requiring flipping a simple toggle switch.


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