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Gas Fired
Boilers
88% Thermal Efficiency
Compact Design
Multiple Venting Options
Category II Venting
by Lochinvar®
The High-Efficiency, High-Output Compact Boiler
The Power-Fin’s unique approach to boiler design means benefits everyone will enjoy. For the installer, it means lighter weight and easier servicing. And end-users everywhere will appreciate the significant energy savings and fast, accurate response to the call for heat.
What’s more, unit capacities range as high as 1,000,000 Btu/hr but require just 5.75 sq. ft. of floor space. Only the Power-Fin—with its high efficiency output—can offer such heavyweight performance in a boiler so compact. Here’s how.
Unique Circular Copper-Fin® Heat Exchanger
At the heart of this unit is our circular Power-Fin heat exchanger. Using a special process, the outer wall of the copper tube is precision extruded to form exactly 7 fins per inch. The result is an
integrated design with a heat transfer ratio that is 9 times greater than ordinary tubing.
To create the chamber, these efficient copper secured by two cast iron headers a circular pattern completely flame. This not ensures optimum efficiency, it also eliminates the
a bulky refractory lining.
Finally, the entire assembly is hydrostatically-tested, ASME stamped and approved for 160 psi working pressure.
The Advantages Of Sealed Combustion
Another feature contributing to the remarkable efficiency of the Power-Fin boiler is its unique combination of a sealed chamber and fan-assisted combustion. This design allows the amount of intake air to be precisely metered to match gas input for better, cleaner and more complete combustion. And the unique burner design projects flames in a full 360° pattern.
The combustion air fan serves a dual function by providing the exact volume of combustion air as well
as inducing a continuous flow of cooling air around the combustion chamber. Pre-purge and post-purge cycles provide added protection, while a pressurized, sealed chamber prevents spillage of gas and combustion by-products.
Diagnostic Systems And Controls
To ensure fail-safe operation, every major function of the Power-Fin is automatically controlled and checked by a convenient plug-in control panel with advanced diagnostic features. A series of relays, warning lights and proving switches continually monitor each phase of the system’s operation.
These not only warn against boiler failure, they actually pinpoint the source of any problems—from
combustion air or low gas pressure, to water temperature or flow.
We also designed the Power-Fin with our own fuel-saving Surface Ignition. And a convenient built-in temperature
resistant glass viewing port allows for visual checks of and burner operation.
Compact, Accessible Design
The Power-Fin gives you the best of both worlds: efficiency and a compact design. In fact, our one
Btu/hr system requires just 5.75 square feet of floor
—making it a designer’s dream. Plus, its high efficiency and unique circular heat exchanger eliminates the need for a bulky refractory lining. So at just over 700 pounds, it’s an installers’ dream too.
For added flexibility, the Power-Fin is approved for zero clearance installations and offers five convenient venting options from which to choose. Both vertical and horizontal direct-vent sealed combustion configurations are available, as well as venting for outdoor applications.
The Power-Fin is designed for faster servicing, too. The bolted header inspection cover on all models can be easily removed for field inspection of tube interiors. And the entire heat exchanger can be removed through the front of the boiler.
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