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Bosch 2700ES Tankless Water Heater
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Techs & Specs
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High Altitude Operation
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Warranty Information
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Buy
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Bosch 2700ES Tankless Water Heater
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Bosch 2700ES Water Heater highlights:
- Run 2 single shower heads or 2 other major uses at one time (up to 3 in warmer areas)
- Direct Vent (sealed combustion - outside air or inside air)
- Must use 3" Cat III Stainless Steel sealed dedicated exhaust pipe
- Horizontal or vertical venting
- Must use a rigid pipe for intake - PVC or galvanized
- Choose either Natural Gas or Propane Gas
- Optional Outdoor Kit available
- 5.9 gpm at a 55°F rise - Max 6.4 gpm
- Built-in Back Draft Preventer
- Built-in LCD Temperature Controller with 2-degree increments
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The Bosch AquaStar 2700ES Direct Vent (Room Sealed Combustion) hot water heater is powerful
enough for 2 major uses at once (and up to 3 in warmer climates). For example; run two showers
at once, or a dishwasher and shower at the same time. The Bosch 2700ES can be vented up through
the roof or out through a side wall with 3-inch sealed stainless steel pipe or mounted outside
in warmer climates with the Optional Outdoor Kit. This unit is 82% efficient and about 33% better
than a new tank. The Bosch 2700ES water heater comes with a 12 year warranty on the heat exchanger
and 2 year warranty on other parts.
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Bosch AquaStar 2700ES - Technical Specifications
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BTU Input
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NG: 19,000 to 199,000
LP: 19,000 to 199,000
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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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7.15 @ 45°F rise
5.9 @ 55°F rise
5.0 @ 65°F rise
4.2 @ 77°F rise
3.6 @ 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 7/8" W by 11 1/4" D
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Modulating Gas Valve
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Yes
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Life Expectancy
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20+ years
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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 Sealed Cat III
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Combustion Air Pipe Size
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3-inch PVC Galvanized or another rigid pipe
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Vent Options
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Horizontal or Vertical, Direct Vent Room Sealed Combustion
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Exhaust Vent Termination
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Horizontal or Vertical
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Min / Max Vent Lengths
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Minimum length: 3 feet
Maximum length: 26 ft. (8m) with one 90° elbow.
Less 2.5 ft. for each additional 90° elbow (1.25 ft for each 45° elbow)
Max three 90° elbows
Please Note: The use of a 90° elbow counts as 2 1/2 feet and
a 45° elbow counts a 1 1/4 feet toward the minimun vent length.
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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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What does Direct Vent or Room sealed mean?
The Bosch 2700ES Hot Water Heater can be installed in a small space
with the ability to take in air from the outside via a 3 inch intake vent.
The Bosch AquaStar 2700ES can be vented vertically or horizontally to the
outside. The Bosch 2700ES Tankless Water Heater requires a dedicated 3" stainless steel
single wall vent pipe. Other vent types will void the warranty and present a health
hazard. The Bosch 2700ES also requires an electrical connection for the electronic
ignition.
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Bosch 2700ES - High Altitude Operation
Propane or Natural Gas Models
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Altitude 0 - 2,000 ft
(0-610 m)
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No modification
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Altitude 2,000 ft - 4,500 ft
(610m-1,372m)
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CO2 adjustment with flue gas analyzer required
see manual for instructions
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Altitude above 4,500 ft
(1,372m)
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Not approved
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For operation at elevations above 2,000 ft (610 m) the Bosch 2700ES Tankless
Water Heater ratings shall be reduced at the rate of 4% for each 1000 feet (305m)
above sea level.
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Bosch AquaStar 2700ES Limited Warranty
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General
Bosch AquaStar water heaters are warranted by the manufacturer, Bosch, through
Bosch Water Heating. Bosch Water Heating will furnish a replacement of any other part which
fails in normal use and service within the applicable periods specified below, in accordance
with the terms of this warranty. The Bosch Water Heating replacement will be warranted for
the unexpired portion of the original warranty. This warranty will be valid only for water
heaters in possession of the original purchaser as recorded on the warranty card.
The Heat Exchanger
If the heat exchanger fails within twelve (12) years after the original installation
and operation, Bosch Water Heating will furnish a replacement heat exchanger. However,
if the water heater is installed in other than a single family dwelling, or is used as a
circulating heater in any application, this heat exchanger warranty is limited to two (2)
years from date of original installation and operation.
All Other Parts
If any other part fails within two (2) years after original installation and operation,
Bosch Water Heating will furnish a replacement part free of charge.
Shipping Costs
In addition to supplying the replacement part(s), Bosch Water Heating will provide ground
service delivery for these parts.Expedited or upgraded shipping will be charged to the customer.
This warranty does not cover any labor costs associated with service, removal or re-installation
of part(s). All such costs must be borne by the Purchaser.
Exceptions
This warranty will not apply:
- to defects or malfunctions resulting from failure to properly install, operate or maintain the unit in accordance with the printed instructions provided
- to damage or abuse, accident, neglect or freezing and other acts of nature
- to damage resulting from operation with either the thermocouple or overheat sensor removed
- to failure of the heat exchanger resulting from the operation of the water heater in a corrosive atmosphere or at water temperatures exceeding the maximum rating, or if the water heater is not supplied with potable water
- to defects or damage cause by any attachment or modification, including any energy-saving device
Note:
The water heater must be free of damaging scale deposits and not subject to gas pressures
greater than those shown on the rating plate, which must not be altered, defaced or removed.
It has come to our attention that products from Bosch Water Heating are being sold through
on-line auctions and other unauthorized distribution channels. We believe that in some cases
there are legitimate consumers trying to sell product that they have purchased through legitimate
distribution channels. However, we are finding that some of the merchandise has actually been
stolen from our customers. Please be advised that our product warranty is void with respect to
stolen goods. Further, we reserve the right to require a legitimate sales receipt showing that
the product was purchased from one of our customers in order to provide warranty coverage.
How to Make a Claim
- Owner should submit the warranty claim directly to Bosch Water Heating at the address listed
below, and they will arrange for the handling of the claim.
- Whenever any inquiry or service request is made, be sure to include the water heater
model number, the date of manufacture, date of installation, Dealer's name and the watts
and voltage
- When returning the water heater or component part(s), they must be individually tagged
and identified with the Returned Goods Authorization # issued by Bosch Water Heating and
shipped prepaid to Bosch Water Heating at the address below.
Miscellaneous
No one is authorized to make any other warranties on behalf of Bosch Water Heating. It is
expressly understood that the replacement warranty of Bosch Water Heating shall be in lieu of
any and all other warranties, express or implied, including warranties of merchantability or
fitness for a particular use or purpose, and further that Bosch Water Heating shall not be
liable for any loss or damage directly or indirectly arising from the use of the hot water heater,
or for any consequential damages arising from such use (including damages from water leakage).
Bosch Water Heating's sole liability with respect to any defect shall be for the replacement of
defective part(s). Some states do not allow such limitations and exclusions, so the above may
not apply to you. This warranty gives specific legal rights. You may also have other rights
which vary from state to state. In the event that warranty service is required, reasonable proof
of the effective date of installation and operation must be provided; otherwise it may not be
possible to honor warranty.
Attention New Bosch Owners –
Fill out your warranty card on-line! - Click Here
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