Commercial Gas
Boilers
High Efficiency In A Space-Saving Design
From 400,000 to 2,070,000 Btu/hr 85% Thermal Efficiency Less Than 20 ppm NOx Rating
Copper-Fin II® Gas Boilers – The Proven Performers.
Thermal Efficiency Is While Footprint And Sizes Are Smaller
Lochinvar’s Copper-Fin II line of high efficiency commercial gas boilers
gives you all the advantages of copper finned tube heat exchanger technology
plus the benefits of a sealed combustion system. Every Copper-Fin II model
offers four major advantages: higher efficiency, smaller footprint, smaller vent diameters and multiple venting options. Our Copper-Fin II models
offer dollar - stretching proportional firing that provides a measured response to the demand for heat — as much or as little as needed.
Outstanding Thermal Efficiency
Copper-Fin II boilers offer a remarkably high 85% thermal efficiency. This means that 85¢ out of every fuel dollar goes into heating the water, dramatically reducing the operating cost of the equipment. Copper-Fin II achieves this efficiency through the combination of an
assisted combustion system and gasketless copper fin tube heat exchanger. A time tested and proven combination.
The heat energy from the combustion process is transferred to the water as it passes through
the solid copper finned tube heat exchanger. The sealed combustion design of the Copper-Fin II eliminates external heat losses, this means that the energy dollars heat the water, not the mechanical room. It also ensures that the jacket stays cooler, providing greater safety and requiring less clearance from combustible walls - just 1” in most cases.
Proportional Firing: Greater Savings, More
Accurate Temperatures
The Copper-Fin II’s proportional firing lowers your energy costs and delivers more consistent water temperatures. Multiple gas valves supply gas to the burners in stages, and multiple speed blowers maintain the proper airflow to ensure the most efficient combustion at each level of use.
Our built-in sequencer controls each of these functions. With digital accuracy, the built-in sequencer carefully monitors the need for heat, and as demand increases or decreases, it automatically adjusts the blower output and gas valve input. As the demand is met, the boiler decreases output gradually, turning off gas valves and reducing combustion air in direct proportion. This allows the Copper-Fin II to maintain a
setting. In fact, it’s accurate to within Fahrenheit — a remarkable achievement for
of this capacity. And the proportional firing features component redundancy, greatly the chance for total system shutdown.
Design - For Installation Ease
Copper-Fin II is compact enough to fit standard 36” doorways with ease. Even
million Btu/hr model is only 33-1/2” wide. space-saving design frees up more space in mechanical room. And our optional Stack Frame put two units in the footprint of just one.
Meets The Toughest Air Quality Standards
Because of our unique fan-assisted combustion process, the Copper-Fin II exceeds today’s toughest NOx emissions requirements. An independent certification laboratory test gave us a rating of less than 30 ppm — corrected to 3% O2. And less NOx means a cleaner environment.
Control at Your Fingertips
The enhanced operator interface panel provides fingertip control of the built-
in multi-stage digital temperature controller. Its refined user friendly design simplifies service while providing additional
diagnostic information with fewer mechanical parts.
Making Installation Easier... For Less
High-efficiency, fan-assisted combustion means you can use a smaller diameter vent stack — up to 8” smaller than typically required. This makes installation less expensive and less time-consuming.
Vent Cost Savings
Btu/hr |
ATMOSPHERIC |
COPPER-FIN II |
|
INPUT |
VENT SIZE |
VENT SIZE |
$ SAVINGS* |
400,000 |
10” |
6” |
$ 657.00 |
|
|
|
|
500,000 |
10” |
6” |
$ 657.00 |
|
|
|
|
650,000 |
12” |
8” |
$ 731.00 |
|
|
|
|
750,000 |
14” |
8” |
$ 1,450.00 |
|
|
|
|
990,000 |
16” |
10” |
$ 1,790.00 |
|
|
|
|
1,260,000 |
16” |
12” |
$ 1,463.00 |
|
|
|
|
1,440,000 |
18” |
12” |
$ 2,432.00 |
|
|
|
|
1,800,000 |
20” |
14” |
$ 3,526.00 |
|
|
|
|
2,070,000 |
22” |
14” |
$ 3,738.00 |
*Comparison based on 25´ vent system using Type “B” double wall vent material, storm collar and vent cap.
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