3
95% Thermal Efficiency
Equipped with ABC 2.1 Control System
– Multiple Boiler Lead/Lag for up to 8 Boilers
– Multi-color LCD Touchscreen Display
– Intuitive Text-based Menus
– Includes Outdoor Reset
Commercial Stainless Steel Heat Exchanger
Multiple Venting Options
Low NOx
Negative Pressure Cabinet
5:1 Modulation
APEX
™
Series
Stainless Steel, Condensing, Gas Fired Commercial Boiler
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