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HIGH-EFFICIENCY BOILERS Condensing Firetube Designs

AERCO. The benchmark of high-efficiency for 25 years. 2004 Benchmark Boile ACHR NEWS Dea First high-efficiency, commercial, condensing, modulating domestic water heater and hydronic boiler (KC-1000 family) in the U.S. 1997 Benchmark family of condensing, modulating boilers introduced setting a new standard in commercial boilers. AERCO introduced condensing firetube designs to The Benchmark boiler family re-affirms AERCO’s the commercial marketplace 25 years ago, raising the leadership. Having the longest, proven performance standard in hydronic heating. While other companies record of any...

r Wins aler Design Award. First boiler manufacturer to achieve ty confirmation of performance y (UL). Benchmark 1.5 Million BTU/hr. boiler introduced; Benchmark 1.5 Low NOx condensing boiler selected by Buildings as a Editors’ Choice Top Product Pick; Benchmark 2.0 Low NOx boiler earns Readers’ Choice Award from ED+C and Sustainable Facility. Introduction of the Benchmark 3000 and 6000 with O2 Trim, patent pending. 2011 Benchmark 750 and 1000 with O2 Monitoring introduced. • Available in six models ranging from 750,000 BTU/hr to 6 million BTU/hr • High Efficiency – up to 99% • Stainless...

LEADER IN HIGH EFFICIENCY High efficiency has become a buzz term in recent years but it is a philosophy at AERCO. Since the first Benchmark boiler was installed in 1997, it has set the gold standard for high efficiency. Thermal Efficiency Curves Return Water Temperature (°F) £> 20 Degree Rise *FarttnBMKiaai First introduced in 1997, the Benchmark boiler is among the oldest high-efficiency products available in the U.S. The market leader for the last decade, several thousand Benchmark units have been installed throughout North America and have continued to operate flawlessly season after...

INSTALLATION ADVANTAGES Venting Versatility Vent Configurations Benchmark products provides a number of venting options. Sidewall, through-the-roof, and sealed combustion capabilities (directvent), approved for venting with PVC, CPVC, Polypropylene, or AL29-4C materials, are all available and provide Vertical vent/room air Common vertical vent/ room air Common vertical vent/ individual vertical air Common vertical vent/ individual sidewall air broad installation flexibility and savings. Individual sidewall vent/ common sidewall air Space-saving Design All Benchmark products are delivered as...

ENVIRONMENTAL The Greenspec® Listed Benchmark boilers are perfect for “green” designs. Their small footprint, flexible venting/piping options, high efficiency, and lower operating costs can help facilities earn LEED points. Benchmark has been designed with environmental advantages: • O2 monitoring system* – Benchmark units are available with AERCO’s proprietary O2 monitoring system, which displays the oxygen level directly on the C-More controller in real time. It can be monitored via Modbus, so customers can measure emission levels and fuel combustion efficiency to maximize fuel economy....

AT A GLANCE Benchmark 750 (BMK750) and Benchmark 1000 (BMK1000) Features: • BMK 750 – 15:1 Turndown Ratio (7%) • High and Low Temperature System Return • Oxygen Level (O2) Monitoring (optional) • Stainless Steel Firetube Heat Exchanger • Sealed Combustion Capable • Capable of variable primary flow installations • Acceptable vent materials AL29-4C, Polypropylene, • NOx Emissions 20 ppm or less at all firing rate Fiber Mesh Ultra Low NOx Burner State-of-the-Art Air/Fuel Delivery System Advanced 439 stainless steel heat exchanger design Optional Dual High and Low Temperature Zone Return...

AT A GLANCE Benchmark 3000 (BMK3000) Features: • Natural Gas • NOx Emissions 30 ppm or less at all firing rates • Oxygen Level (O2) Monitoring • Sealed Combustion Capable • Stainless Steel Firetube Heat Exchanger • Acceptable vent materials AL29-4C, Polypropylene • Capable of variable primary flow installations Fiber mesh Low NOx Burner Hot Water Supply Connection State-of-the-Art Air/Fuel Delivery System Cold Water Return Connection Advanced 439 stainless steel heat exchanger design 8-inch Exhaust Connection Polypropylene or AL29-4C venting

AT A GLANCE Benchmark 6000 (BMK6000) Features: • Natural Gas • NOx Emissions 20 ppm or less at all firing rates • Oxygen Level (O2) Monitoring • Sealed Combustion Capable • Stainless Steel Firetube Heat Exchanger • Acceptable vent materials AL29-4C • Capable of variable primary flow installations Fiber Mesh Ultra Low NOX Burner Hot Water Supply Connection Cold Water Return Connection State-of-the-Art Air/Fuel Delivery System 14-inch Exhaust Connection or AL29-4C venting Advanced 439 stainless steel heat exchanger design

ACCESSORIES AERCO Control System (ACS) Strongly recommended to maximize modular heating plant efficiency, AERCO Control System (ACS) offers remote access and control of multiple boiler installations and is compatible with Building Automation Systems via Modbus open protocol or conventional analog systems. Boiler Valve Control Designed for variable flow heating systems, the AERCO Boiler Valve Controller automatically sequences each motor operated valve* (MOV) – reducing the system’s minimum flow requirement to a single boiler’s minimum flow. For example, a four BMK2.0LN installation without...

INSTALLATION Sample Installation 1. Benchmark 3000 2. AERCO Control System (ACS) and ACS Relay Panel 3. Motorized Valves 4. Buffer Tank 5. SmartPlate

Adjustable Temperature Control Ambient Temperature Turndown Ratio Flue Size Flue Material (per local code) Water Inlet and Outlet 14" WC Maximum, 4" WC Minimum at Full Load 14" WC Maximum, 4" WC Minimum at Full Load 14" WC Maximum, 4" WC Minimum at Full Load Min/Max Water Flow Condensate Connection Maximum Condensate Flow Pressure Rating SCAQMD, TCEQ SCAQMD, TCEQ SCAQMD, TCEQ Standard Listing and Approvals FM Compliant or Factory Installed, Double Block and Bleed (Formerly IRI) FM Compliant or Factory Installed, Double Block and Bleed (Formerly IRI) FM Compliant or Factory Installed, Double...