AB-155H AquaBalance Heat-Only Wall Mount Gas Boiler, 125,000 BTU (NG)

Features 95% annual fuel utilization efficiency (AFUE) – low fuel usage, saves energy Natural or Propane (LP) gas operation – factory shipped as NG, optional LP conversion kit Compact design – increases placement options Heavy gauge insulated jacket – provides quiet operation 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 Single tube, large diameter, ASME certified 316L Stainless Steel heat exchanger Pre-wired, plug-in ready electrical design Contractor friendly removable sides – makes service clean and easy Wall mounting bracket and hardware Honeywell® boiler control with digital display Commercial grade 120V power cord with 3 prong plug Unique 3-in-1 vent adapter – approved to accept PVC, CPVC, SS or PP vent materials Multiple vent options – direct vent with 2 pipes or concentric, through sidewall or roof Internal condensate trap 24VAC thermostat relay Factory tested