Commercial Hydronics


Carrier's Performance 90 boiler features a cast-aluminum heat exchanger, which can transfer heat up to three times faster than traditional cast iron exchangers. Sources say the Performance 90 is ideal for traditional hydronic heating systems.

Featuring an AFUE of up to 90%, the Performance 90 can help reduce annual heating costs. The integrated boiler control provides users with reliability and responsive heating. An induced draft fan supports indoor air quality (IAQ) by venting out harmful air and gases, and draws in fresh, clean air.
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Noritz America Corp. has announced an addition to its commercial grade tankless water heater line.

The N-084MC's condensing technology yields 93% energy efficiency versus 60% of a typical tank water heater.

These heaters have stainless steel shell casings to better accommodate the commercial environment, and give a unique and aesthetic appearance. The main component of this new technology is the super heat exchanger, which is actually two heat exchangers fused into one. A primary heat exchanger is comprised of copper; the secondary is stainless steel.
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The NeoTherm® condensing boiler from Laars Heating Systems features seven sizes, from 80,000 to 500,000 BTU. The direct vent, sealed combustion boiler boasts 95% efficiency with a 5:1 turndown. The NeoTherm has zero clearance to combustibles and top connections (horizontal or vertical direct vent). Available for natural or propane gas, with a selection of factory-mounted options, indoor models are suitable for a broad variety of both residential and commercial applications.

NeoTherm is built standard with the new LAARS Integrated Control SystemSM that puts ignition control, temperature control, and high limit in one device. circle 158


Quietside Corporation introduces a ODW series of tankless water heaters, with four models ranging from 99,000 to 199,000 BTU/hour. Using Quietside's revolutionary S line heat exchangers, this unit has efficiency levels above 90%. These efficiency levels are achieved by utilizing 2 heat exchangers, including a wet recuperative heat exchanger, manufactured from stainless steel. This reduces energy costs and qualifies for the 2008 IRS tax incentive program for water heaters.
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Uponor's Engineered Plastic (EP) heating manifold for radiant applications is comprised of thermoplastic, high-performance, advanced materials. The manifold resists corrosion, pitting, scaling, elevated chlorine levels and ultraviolet light, and is suitable for use under conditions of high impact, heat and moisture for an extremely durable, cost-effective radiant product solution.
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Lochinvar Corporation's SYNC Condensing Boiler features a Smart Touch advanced touchscreen control system. SYNC combines stainless steel heat exchanger technology with modulating/condensing combustion to deliver thermal efficiency as high as 98%. With models producing 1.0, 1.3 and 1.5 million BTU/hour inputs, low NOx operation and 10:1 turndown, SYNC serves a wide range of commercial applications.

The SYNC Boiler offers Smart Touch touchscreen technology, which allows the user to set up a synchronized green system, and allows access to a complete onboard database of real-time operations data and performance history. Equipped with a built-in cascading sequencer for up to eight boilers, the superior control system allows SYNC to deliver up to 12 million BTU/hour heating capacity.
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Grundfos Magna is an adaptable wet rotor circulator. Wet rotor technology means the pump is oilless and sealless. It has no noisy fan, because it's cooled and lubricated by the water it pumps. Integrated variable speed drive automatically adjusts performance to meet demand, saving energy — and Magna's permanent magnet rotor design saves energy. Flange connections designed for easy replacements.
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Peerless Boilers

The Purefire® gas-fired condensing boiler from Peerless Boilers is a high-efficiency boiler for residential and commercial applications, available for natural or LP gas. The direct vent, sealed combustion boiler has 95.85% efficiency. The Purefire is Energy Star® approved and has ASME and ETL certifications for both the U.S. and Canada. Other features include a unique condensate system with float switch protection and built-in neutralizer A fully modulating burner with three to one flame modulation assures dependable operation and maximizes boiler efficiency, sources say.
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Takagi announced the release of a light commercial version of the T-K3, called the T-K3-Pro. The new model incorporates all the popular features of the T-K3, but with commercial-grade quality materials so it can withstand heavy duty conditions.

One of the main features that differentiate the T-K3-Pro from its residential counterpart — the T-K3 — is that its heat exchanger is made with HRS35, the most advanced copper alloy on the market. This heat-resistant copper alloy is eight times stronger and harder than the standard copper used in most tankless units, so it makes the unit much more resilient against erosions and leaks, sources say.
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Honeywell introduces the Sola Hydronic Control. Its key functions include: a primary safety control, igniter/ spark generator, high limit control, operating and PID load controls for heating and domestic hot water, pump control, and outdoor reset control.

According to company sources, the display options provide multiple levels of control, diagnostic information and allow for remote monitoring. Sources say that the green advantages of the Sola Control are that the features reduce installation time and wiring and cabinet space by combining multiple devices with a single, integrated device.
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