Product Lines | Stay Comfy with High Efficiency Comfort Systems

Great things really do come in small packages. The new AquaBalance™ combi-boiler combines the unmatched reliability of Weil-McLain with the warmth of high-efficiency space heating and the convenience of on-demand domestic hot water. All in one elegant' space-saving package.

• 94.4% annual fuel utilization efficiency (AFUE) – low fuel usage' saves energy
• Compact design – increases placement options
• 10-to-1 turn down ratio – precisely matches minimal energy usage to the immediate system need
• Low NOx rated – low emissions level achieved South Coast certification
• Reliable Honeywell® boiler controls with digital display
• Multiple vent options – direct vent with 2 pipes or concentric' through sidewall or roof