A. O. Smith ProLine XE Combi Boiler

The ProLine XE Combi Boiler delivers immediate hot water and comfortable space heating for homes. With its service-friendly compact design, the boiler offers professional contractors easy installation, set up and maintenance. By moving critical components, such as the built-in circulator, to an easily accessible location within the unit, service and maintenance are dramatically simplified. The combi boiler’s user-friendly interface — featuring a backlit LCD display that provides text-based diagnostic information — is one of the product’s leading differentiators. Available in 110,000, 150,000 and 199,000 BTU/hr. models, the boiler can deliver up to 4.8 gallons of hot water per minute — the highest capacity in the combination boiler category. The product features a 95 percent AFUE and a 10:1 turndown ratio. Further enhancing energy efficiency, the combi boiler features an air handler interlock that immediately stops non-heated air from circulating when it alternates from space heating to domestic hot water mode. The boiler comes with a 5-year parts and 10-year heat exchanger limited warranty. It is designed, engineered and assembled in the U.S.

www.hotwater.com

AERCO Benchmark Platinum

In an ideal world, high efficiency, commercial condensing boilers would operate as designed — condensing as you expect and delivering the highest efficiency possible. However, in the real world, external variables arise (such as fluctuations in combustion O2 levels, air temperature, occupancy/loads, gas pressure) causing faults and problems that lead to system inefficiency, increased utility costs, unit downtime and costly unscheduled maintenance. Benchmark Platinum is a smart boiler that optimizes your system for the real world by self-correcting these problems. It delivers maximum efficiency and precise combustion through its patented AERtrim O2 Trim technology, Dual Returns and onAER predictive maintenance ensuring your system operates optimally as it was designed and as you expected. You’ll get maximum efficiency, reduce unscheduled maintenance and receive big energy savings — all with an industry-best warranty. Available in eight sizes from 750-6,000 BTU/hr.

www.aerco.com 

Bosch Thermotechnology Buderus SSB Industrial Stainless Steel Boiler

The Buderus SSB Industrial Stainless Steel Boiler is designed for commercial space heating and domestic hot water. The boilers are available in 798 MBH and 1,024 MBH standalone units, or a 1,024-cascading unit, designed to meet demands up to 4,096 MBH, making it an ideal solution for applications such as schools, hotels, office buildings and warehouses. The unit features flanged supply and return connections on both sides, as well as a compact footprint, giving contractors install location flexibility. It also has removable panels on all four sides for easily accessible components. The boiler includes an on-board control with a 7-inch external touchscreen display to streamline common applications like connection to a room thermostat, system monitoring, outdoor reset and domestic hot water priority standard. 

www.bosch-climate.us 

Bradford White Brute FT Wall Hung Condensing Boiler

The Brute FT boiler features a robust fire-tube heat exchanger, is fully modulating to save fuel and has an AHRI-certified 95 percent AFUE efficiency rating. The natural gas or LP-fired Brute FT is offered as a combi unit in 140, and 199 MBH sizes or as a heating boiler in 80, 100, 140, and 199 MBH sizes. Combi models include an integrated mini-indirect tank resulting in superior DHW performance by minimizing temperature fluctuations and providing hot water quickly. Packed with features, the Brute FT includes an easy-to-use advanced control system, a conformal coated control board protecting it from moisture, for added safety a gas leak detection system that will shut the boiler down if a gas leak is detected, outdoor reset, domestic hot water priority, primeless condensate trap, zero clearance installation, venting up to 100 feet, and an Energy Star Most Efficient qualified rating.

www.bradfordwhite.com

Energy Kinetics Ascent Combi Oil and Gas Boiler

The Ascent Combi oil and gas boiler is a substantial upgrade over tankless coil boilers at a competitive price. As with all Energy Kinetics’ products, the Ascent Combi is offered factory direct to installing contractors. It’s built with the company’s time-tested 30+ year spiral design vessel with tried and true quality and reliability. And there’s just a simple Ascent Hydrostat control optimized for all boiler heat and hot water functions. Additional benefits include whisper quiet operation with a silent burner and air intake cover, continuous hot water that outperforms tankless coil boilers and a residential limited lifetime warranty. The Ascent Combi offers three smart learning modes to easily match user needs.  

www.energykinetics.com 

Laars MagnaTherm Boiler with Advanced Vari-Prime Pump Controls 

The MagnaTherm is a 95 percent thermally efficient, modulating-condensing boiler or volume water heater available in 1.6, 2, 2.5, 3, 3.5 and 4 million BTU/hr sizes. MagnaTherm offers a 5:1 turndown, small vertical design with removable top section, a stainless steel heat exchanger and multiple voltage options to easily match building service. Designed and made in the U.S., the MagnaTherm meets all ASME requirements and is AHRI certified. A large, easy-to-navigate color touchscreen display offers quick access to setup and diagnostics. The boiler features an advanced Vari-Prime pump control that seamlessly matches boiler firing rate to pump flow, balancing combustion, air flow and water flow to optimize boiler efficiency. Boiler pumping costs can be reduced by up to 70 percent. MagnaTherm units can cascade up to eight boilers with onboard controls, can accommodate up to 100 feet of vent, and meet the most stringent NOx emission requirements. 

www.laars.com 

Navien Fire Tube Boiler Series

The NFB, Navien Fire Tube Boiler, is designed for residential and light commercial applications. Two models are included: NFB-175 and NFB-200, each offering 170,000 and 199,900 BTU/hr., a new patented stainless steel heat exchanger, ease of installation and service, intuitive interface, advanced controls and simplified integration with IoT. The 10:1 turndown ratio, 95 percent AFUE, flexibility of venting and remote access via mobile applications are just few of many exciting features that will benefit both the contractors and homeowners. The NFB will be available for purchase in June 2018.

www.navieninc.com  

Noritz Residential Combination Boiler (NRCB)

The Noritz Residential Combination Boiler (NRCB) allows for simultaneous residential domestic hot water and space heating, and it performs at a 95 percent AFUE. It meets Energy Star Most Efficient standards and has an AHRI certification, which qualifies homeowners for various state energy rebates. It uses 316L copper primary and secondary heat exchangers, which have higher corrosion resistance than traditional heat exchangers, resulting in increased durability and a longer lifespan. A third flat plate heat exchanger for domestic water heating is made of stainless steel. The NRCB is available in two models: the NRCB180DV, which has a maximum gas input BTU/hr of 180,000 for hot water and 100,000 BTU/hr for space heating, with a maximum flow rate of 9.8 gpm; and the NRCB199DV, which has a maximum gas input BTU/hr of 199,000 for hot water and 120,000 BTU/hr for space heating, with a maximum flow rate of 11.1 gpm. The NRCB includes a number of installer- and user-friendly features, such as: venting versatility, recirculation capability, compact construction, built-in auxiliary pump connections, component design, built-in outdoor temperature reset, Wi-Fi capability, an ultra-low-NOx eco-burner, a premix burner and easy wall-mounting. 

www.noritz.com

NTI FTV Series

The FTV Series is a new tube boiler designed to provide exceptional efficiency and durability yet representing an affordable solution for every home. The FTV is a high-efficiency 95 percent AFUE wall-hung boiler equipped with a vertical fire tube heat exchanger made of industry proven 439 stainless steel. NTI’s user-friendly programmable display and easy to access components make it easy to install, set up and maintain, while its unique design enables simpler plumbing layouts to keep costs well under control. The FTV Combi has ample space heating capacity and endless hot water, making it a great two-in-one appliance. The FTV Series is available both heat only and combi in three sizes: 110, 150 and 190 MBH.

www.ntiboilers.com 

Raypak XVers Commercial Fire-Tube Condensing Boiler

The new Raypak XVers Commercial Vertical Fire-Tube Modulating Condensing Boilers offer installation flexibility, easy commissioning, optimum seasonal efficiency and long-term reliability. Featuring stainless steel vertical fire-tube construction, the XVers are 100 percent fire tested and operate at up to 96.2 percent thermal efficiency at full rate and up to 99 percent at part load. The XVers Commercial Condensing Boilers are equipped with the Versa IC integrated control system and are capable of operating a single boiler or cascade of boilers without requiring an external sequencer. Adaptable controls that support multiple piping, venting and operational configurations make installation easy and cost-effective. Built with integrated pallet supports, the units are easy to move and easy to retrofit into existing systems as well as into the small footprint of new construction. The 7-inch HD touchscreen display communicates full safety diagnostics with history status display, allowing facility managers to connect to their building management system in minutes.

www.rheem.com 

Riello High-Efficiency Wall-Hung Boilers 

Riello offers its high efficiency wall-hung boilers in North America for the first time, with Evergreen Products International as the distributor. The boilers feature 95 percent AFUE rating, 10:1 and 7:1 turndown ratios, as well as green product features including low nitrogen oxide emissions and no-lead standards certification. Other features include versatile venting options and the Riello Active Combustion Control for precise setup and continuous calibration. The 95 percent AFUE Family Pro boiler is available in two models — heating only, and combination heating (CH) and domestic hot water (DH). Both models have a 7:1 modulation range, from 119,000 to 19,600 BTU/hr. In DHW production mode, the combi unit operates at 151,000 BTU/hr. The 95 percent AFUE Residence Pro is a smaller combination CH and DHW boiler that modulates from 85,000 to 17,000 BTU/hr. The 10:1 commercial Condexa Pro condensing heating-only boiler is available in two sizes — producing up to 75 kW (255,902 BTU/hr) and 117 kW (399,204 BTU/hr). These commercial units have a built-in circulating pump and cascade control; the boilers may be cascaded up to six units.

www.riello.com

Rinnai M-Series
Condensing Gas Boiler

With an increased heating output range, increased hot water output and increased heat exchange performance, the new M-Series Condensing Gas Boiler delivers performance like no other. Rinnai’s unique heat engine combines new burner technology with a stainless steel water heat exchanger for improved efficiency, lower emissions, increased reliability and fast response. A smaller footprint (volume reduced by 35 percent) and lighter design (weight reduced by 9 percent) make installing the new M-series a snap. Maintaining and servicing the M-Series Boiler has also been completely rethought. All service points have been moved to the front left side of the unit; simply lift and remove the cover for easy, full access. M-Series Condensing Boiler is defined by its improved ease of installation, performance enhancements and serviceability.

www.rinnai.us 

U.S. Boiler K2 Combi Boiler 

The K2 Combi Boiler is available in two sizes — 135 and 180 MBH — and offers 95 percent AFUE with 10:1 turndown, a reliable and proven stainless steel heat exchanger, and a flat plate heat exchanger for superb domestic hot water performance. The factory pre-set Sage 2.3 control system provides out-of-the-box performance and a logical touchscreen interface. In addition, the K2 Combi has a universal vent connection, outdoor reset and sensor, and pre-installed safety relief valve piping. The new K2 Combi is the latest addition to U.S. Boiler’s condensing product line, offering a complete selection of heating solutions from 80 to 800 MBH. 

www.usboiler.net 

Utica Boilers MAH and MAC Condensing Hot Water Boilers

Utica Boilers introduces the addition of two new models, the MAH-165 and MAC-205. Available in both combi and space heating models, these MAC (Modulating, Artificial-Intelligence, Combi) boilers feature AI Control Technology. The boilers automatically set up during initial startup; can recognize natural or LP gas; and continuously monitor combustion and adjust gas and air flow to optimize combustion and fuel savings. The control also measures water and flue gas temperature and pressure that can impact the boiler operation and CO levels. The AI Control automatically modulates the gas input to the burner. Utica Boilers H2O Indirect Tanks range from 30- to 115-gallon capacities and feature 316L stainless steel construction and top connections for easy installation. When in domestic hot water mode, the new MAC-205 Combi will fire at 205 MBTU/hr and provide up to 5 gpm of domestic hot water. Both modes are rated at 164 MBTU/hr for central heating mode and are provided with Labor Saver primary/secondary piping manifold for easy installation. The internal pump serves as primary loop pump.

www.uticaboilers.com 

Weil-McLain Evergreen High-Efficiency Condensing Boiler Line

Weil-McLain has added three smaller sizes to its advanced high-efficiency Evergreen condensing boiler line. The 95 percent AFUE boiler is now available in 70, 110 and 155K BTU/hr input sizes, joining the existing 220, 299 and 399 sizes. The Evergreen units are ideal for residential projects and light commercial applications and are adaptable for most heating demands. The Evergreen features an AFUE rating of 95 percent and is designated as Most Efficient by Energy Star. In commercial applications, optimal energy efficiency yields reduce energy costs with up to 96.5 percent combustion efficiency. The unit features a guided setup wizard, an easy to understand graphical user interface, simple controls and 10 heating system presets for quick setup. The Evergreen system also offers the ability to cascade two to eight boilers together, and ZoneStacking up to 24 programmable zones. The compact design of the unit offers maneuverability in tight installations. 

www.evergreenboiler.com