Combination boiler

The AquaBalance combination boiler features the warmth of high-efficiency space heating and the convenience of on-demand domestic hot water.


Weil-McLain AquaBalanceThe AquaBalance combination boiler features the warmth of high-efficiency space heating and the convenience of on-demand domestic hot water. The AquaBalance boiler exceeds Energy Star-certification requirements at 94.4% annual fuel-use efficiency built with the stainless steel, titanium-infused, heat-exchanger technology. Additional features and benefits include compact design, multiple venting options, boiler controls with digital display, quiet operation, and contractor-friendly access to panels, making installation and servicing clean and easy. AquaBalance provides a constant supply of hot water by producing up to 4 gmp at 70°F. By making the switch from a separate boiler and hot-water tank to the system, the contractor’s installation process is streamlined.


This product is a Finalist in the Consulting-Specifying Engineer 2017 Product of the Year program. View more Finalists and cast your vote at (voting closes June 30, 2017).

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