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Direct and indirect. Copper-fin and stainless steel. Gas and electric. Explore our wide variety of options to perfectly fit your needs.

Ace Heaters

Stainless Steel and Copper


Both gas-fired and indirect water heating options, including hot water generators. Various designs to accommodate condensing, near-condensing, atmospheric, and modular applications.

Learn More  •  Drawings  •  O&M Manuals

Niles Steel Tank

Hot Water Generators, Electric Power Heaters, and Indirect


Water and steam generators, in a variety of configurations and designs, including customization as needed. Copper, stainless or copper nickel tube exchangers. Porcelain enamel (glass) or epoxy lined tanks for potable water applications. You name it!


Copper-fin Water Heaters


Reliable. Bold. Innovative. Copper-fin water heaters with expansive size offerings in small foot prints. Top efficiencies and HeatNet 3.0 integrated controller with online monitoring capabilities available on some models.

Thermo 2000

Instantaneous Indirect


The Turbomax model sidearm water heater is one of Thermo 2000's most famous products that utilizes boiler water to heat domestic water. The Turbomax comes in a variety of sizes, the largest units offered with optional ASME certification.