The MAH-165 and MAC-205 are available in both combi and space heating models, these MAC (which stands for Modulating, Artificial-Intelligence, Combi) boilers are an extension of the current MAC product, featuring the artificially intelligent control, or AI Control Technology. With this latest innovation, the boiler automatically sets up during initial startup; has the ability to recognize natural or LP gas; and continuously monitors combustion and adjust gas and air flow to optimize combustion and fuel savings. The AI Control automatically modulates gas input to the burner.

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