Up to 99% Thermal Efficiency by Modulating Fuel Input to Supply
Variable Domestic Hot Water Demand

• Maximum input 900,000 BTU/hr.
• 130 gallon capacity
• Natural gas
• SCAQMD certified Ultra-Low NOx

Model: OT900N-A
SKU: 55946

NOTE: This is the OptiTHERM Base Model. When ordering, you need to specify Nat/LP, ASME,Altitude Required