Boilers & Hydronics

Hydronic Chilled Beam System Regulates Military Environment

Wet Heat Technology Brings Comfort to Air Force Base
March 4, 2013

Weldin Construction’s Mechanical Division has successfully completed multiple hydronic installations throughout the Joint Base Elmendorf-Richardson (JBER) Air Force base near Anchorage, Alaska. 


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Lochinvar LLC: Commercial Condensing Boilers

February 25, 2013
Five million- (FBN5000) and 4 million-Btuh (FBN4000) units have been added to the Crest® condensing boilers. The line also has been expanded to include a dual-fuel gas train. Additional product enhancements include lower-firing input-derate numbers in high-altitude applications.


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Pennsylvania Home Gets Energy Overhaul

January 28, 2013

In the case of one Pennsylvania couple, haste to move on a “move-in condition” bi-level turned into a costly mistake. After dismissing the idea of a home inspection, the buyers quickly found themselves “throwing money into a bonfire.”


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TLV® Corp.: Steam Trap

January 28, 2013
The FS5H QuickTrap® is designed for drainage of superheated or high-pressure steam mains, equipment, and turbines up to 650 psig and 800ºF. The FreeFloat® design allows for rapid and smooth removal of condensate, and the unique three-point seating ensures a steamtight seal, even under no-load conditions. 


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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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