Description
Keystone Condensing Water Heaters produce high volume hot water in with high energy efficiency. With 4 models with inputs from 199 to 500 MBH the Keystone Condensing Water Heaters are perfectly sized for large residential and light commercial applications. These products feature a stainless steel heat exchanger with a thermal efficiency between 95 and 97%. Their compact design minimizes floor space while the cabinet provides easy access to all components. The large user friendly control interface makes set-up easy. The advanced control modulates the water heater with a 5 to 1 turndown ratio. Up to 8 water heaters can be joined in a cascade while the control features parallel modulation and water heater rotation to maximize efficiency and service life.

Features:
  • Energy efficient with 95% to 97% Thermal Efficiency
  • Stainless Steel Heat Exchanger
  • Integrated Cascade
  • 5 to 1 Turndown
  • 125 psi Pressure Relief Valve

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    Manuals (2)
    Specs
    Fuel Type:
    Natural Gas
    Propane
    Efficiency:
    95.3%
    System Type:
    Water
    Water Connection:
    2"
    Gas Connection:
    1"
    Air Intake:
    4"
    Vent Diameter:
    4"
    BTU Input:
    600000
    BTU Output:
    576000
    Width:
    24-1/2"
    Depth (Inches):
    37"
    Height (Inches):
    38
    Features:
    Condensing
    EI/Spark Ignition
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