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Bosch AquaStar 1600H Tankless Water Heater (No Pilot Light)

buynow.gif (475 bytes)  $669.00

AquaStar 1600H LP  no pilot

buynow.gif (475 bytes) $669.00

AquaStar 1600H NG no pilot

buynow.gif (475 bytes)  $359.00

AQ4 Vent Kit for Bosch AquaStar 1600H and 1600P Tankless Heater

The Bosch AquaStar 1600H is designed to last. The quality of the AquaStar begins with this inside story: all water parts are solid copper or solid brass. The unit is constructed with stainless steel and aluminum. Unlike tank heaters, every part is replaceable or recyclable. Properly maintained, this may be the last water heater you ever buy.

  • all water parts are solid copper or solid brass
  • unit is constructed with stainless steel and aluminum
  • casing is finished with baked epoxy
  • heat exchanger is made of solid copper
  • burners are made of stainless steel
  • unit has a safety thermocouple and overheat shutoff protection
  • CSA design certified
  • compliant with ASHRAE 90.1
  • 82% efficiency rating and .80 energy factor
  • longest warranty (15 years on the heat exchanger when professionally installed)


Save Energy and Money                                            When hot water shuts off, the AquaStar shuts off.

Built to Last
Solid brass and copper water parts, stainless steel burners and copper heat exchanger.

60 years of tankless water heating experience, and an unparalleled reputation for manufacturing quality.



Bosch, North America’s leading supplier of tankless water heaters, announces the latest technical innovation from Bosch engineers in Germany. The revolutionary hydro-generated ignition system incorporates hydro technology into a domestic water heating appliance. Typically, domestic water heaters have either a standing pilot, electrically generated pilot ignition, or battery (D-Cell) generated pilot ignition system.

This new technology generates pilot spark from the flow of water. Like a hydro dam producing electricity, the 1600H system ignites the burners when water is flowing without the need for electricity or batteries. This patented technology is only available on Bosch AquaStar tankless gas water heaters.

The Bosch 1600H is designed to be vented vertically through the roof using 5" diameter Type B double-walled venting. A minimum 6' vent stack is required. The 1600H can be vented horizontally through the wall using the AQ4 Vent Kit.


General Specifications















1/2" NPT

3/4" NPT

3/4" NPT


25 3/4"

16 3/4"

8 1/2"

18 PSI

150 PSI

111" W.C.

7" W.C.































44 lbs.








  The AquaStar  Warranty  

AquaStar water heaters are warranted by the Bosch will furnish a replacement heat exchanger and 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.

This warranty will not apply:
1. to defects or malfunctions resulting from failure to properly install, operate or maintain the unit in accordance with the printed instructions provided;
2. to damage or abuse, accident, neglect or freezing and other acts of nature;
3. to damage resulting from operation with either the thermocouple or overheat sensor removed;
4. 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.
5. 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
1. The Owner should contact the dealer who sold the water heater covered by this warranty or
2. 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.
3. 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.
4. 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.

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.



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