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Home » Topics » HVAC Commercial Market » Boilers and Hydronics

Boilers and Hydronics
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Getting the Most Out of Modern Steam Boilers

Dan Holohan
July 30, 2012
Years ago, steam heating was a business of installing complete systems and not just a business of replacing boilers and fixing problems as it is today. So, how do you get the most out of a modern steam boiler? 


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AERCO International: Commercial Fire-Tube Boiler

July 23, 2012
Redesigned, the Benchmark 3000 boiler features high turndown for energy efficiency, lower operating costs, and high reliability in a compact footprint. Incorporating the company’s stainless steel, fire-tube design, the boiler can satisfy environmental requirements, and provides flexibility to fit in both retrofit and new construction.


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Rheem: Residential Hydronic Air Handler

July 16, 2012
The newly redesigned hydronic air handler, which is an element of the company’s Integrated Heating & Water Heating System, incorporates a new, high-efficiency permanent magnet motor, which helps upgrade the electrical efficiency of the air handler.


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Pro Hydronic Specialties: Automatic Flow Limiter With Flow Measurement

July 16, 2012
The AFL Automatic Flow Limiter is a unique, patented design that provides test and balance engineers, commissioning agents, installing contractors, and building owners the ability to measure flow while automatically limiting the flow rate to the system requirements.


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Raypak: Condensing Boilers

June 25, 2012
The XFyre™ and XTherm™ are commercial modulating, condensing boilers. The boilers are now CSA-Certified for polypropylene venting, when used with Centrotherm Innoflue venting components. Innoflue polypropylene venting is ULC-S636- and UL-1738-approved.


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Revamping Sidearm Water Heaters

John Siegenthaler, PE
June 18, 2012
Sidearm water heaters were developed decades ago so that boilers could provide both space heating and domestic hot water. Is there an application they can be used for today?


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Jaga Climate Systems: Heat Pump, Boiler Radiators

June 11, 2012
Featuring low-H2O technology that enables the unit to heat quickly, the Linea Plus radiator can be used with low-temperature hydronic systems and renewable energy sources such as solar or geothermal. The discreet design allows for pipes and vents to be completely hidden behind the front panel and cabinet.


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Roth Industries Inc.: Radiant Heating Pipe

May 28, 2012
Radiant Heating Pipe X-Pert S5® is made with Dowlex™ 2344 polyethylene copolymer resin, which offers the traditional benefits of polyethylene resin along with excellent high-temperature resistance. The result is the next generation of radiant heating pipe, the company said.


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Laars Heating Systems Co.: Commercial Condensing Boiler

May 21, 2012
NeoTherm® LC condensing boiler is a fully packaged, 1 million Btu, space-saving hydronic unit that offers 94 percent thermal efficiency. It is a direct vent, sealed combustion boiler that modulates with a 10 to 1 turndown. Zero clearance to combustibles with all piping and wiring from the back makes it a good choice for tight installations.


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Some Folks Are Just Plain Nuts

Dan Holohan
May 14, 2012
You probably realize some of your customers are just plain nuts, and others will take a chance on dying if it means they can save a few bucks on a repair or installation. Then there are customers who somehow turn nuts after you’ve done the work for them.


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