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AquaStar 2400ES Tankless Hot Water Heater
Technical Information and Specifications
Bosch Water Heater Main Page
Please Note: Bosch no longer includes a vertical drain
pipe or condensation drain tube kit with this unit. You must check the manual to see
if these parts are necessary for your installation, in many cases, they will be. These
items can be purchased at
Zvent Z Flex 3-Inch Sealed Stainless Vent Pipe.
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Bosch AquaStar 2400ES - Applications and Sizing
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BTU Input
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NG: 19,900 to 175,000
LP: 19,900 to 175,000
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Energy Factor
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.82
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Thermal Efficiency
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82%
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Ignition
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Electronic (120V plugs in)
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Minimum Flow Rate to Activate
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0.65 GPM
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Flow Rates (gpm)
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6.4 @ 45°F rise
5.3 @ 55°F rise
4.6 @ 65°F rise
3.8 @ 77°F rise
3.2 @ 90°F rise
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Weight
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67 lbs.
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Dimensions
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30 1/2" H by 17.875" W by 11 1/4" D
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Modulationg Gas Valve
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Yes
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Optional Accessories
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Outdoor Kit (AQOK)
Remote Thermostat (TSTAT2)
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Life Expectancy
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20+ years
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Model AquaStar Bosch 2400ES - Installation Specifications
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Voltage
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120 VAC
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Exhaust Vent Size
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3-inch Stainless Steel
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Combustion Air Pipe Size
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3-inch PVC / Alum. / Galv.
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Vent Options
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Horizontal or Vertical
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Vent Termination
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Horizontal or Vertical
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Gas Connection
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3/4 inch Male NPT
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Water Connections
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3/4 inch Male NPT
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Natural Gas Pressure
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Min: 4" WC
Max: 14" WC
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Propane (LP) Gas Pressure
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Min: 9" WC
Max: 14" WC
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Water Pressure
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Min: 30 PSI
Max: 150 PSI
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