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Product Specifications
Part Number 2700ES-NG
Item Package Quantity1
Item Dimensions
Length23 inches
Width15 inches
Height40 inches
Product Features
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Product Description
From the Manufacturer
The Bosch AquaStar gas tankless water heater is innovation at its best. With space-saving design, the 2700ES creates countless installation possibilities without sacrificing power or efficiency. Imagine being able to use your shower, washing machine, and dishwasher simultaneously without running out of hot water. And with an average life expectancy of 20 years, you can enjoy endless hot water for years to come. Add the potential to save up to 50% off utility costs and the 2700ES is the perfect solution for your home.
Product Description
Bosch, Natural Gas Tankless Water Heater, Up To 3 Major Appliances Or Showers At 1 Time, Up To 7.2GPM At A 45°ree. Temp Rise, Built In Power Vent For Horizontal Or Vent Venting Up To 26' Max, Electronic Ignition, Modulating Gas Valve From 19,900 To 199,000 BTU Input, Computer Adjusted Fuel & Air Mixture For Optimal Performance, Min Flow Rate To Activate Burners Is.6 GPM , 3/4" Male Pipe Thread Gas & Water Connections, Natural Gas Pressure Min 4" Water Column, Max 14" Water Column, Water Pressure Minimum 30 PSI, Maximum 150 PSI, Must Use 3" Sealed Rigid PVC Pipe For Air Intake Not Included, Must Order & Use AE3ES Exhaust Kit For Horizontal Or Vent Exhaust Venting, For Additional Vertical Lengths Of 3" Gasketed Pipe, T & P Valve Included, 12 Year Warranty On Heat Exchanger, 2 Yrs On Parts, 120 V Outlet Needed To Run Power Vent & Controls, 3 Prong Pigtail Cord Included, For Outdoor Installs Part #AQOK Is Required, CSA Certified, Min Outdoor Temp Cannot Go Below Freezing.
Product Details
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Customer Reviews
Most Helpful Customer Reviews
121 of 126 people found the following review helpful
Bosch ES series is a huge step forward in technical development but such a bad taste has been left by former products and Bosch technical support that few plumbers will recommend one regardless of what improvements are made today or tomorrow. This model still has the same potential for gas valve failure that goes back to their 250 SX series that if condensation or rain is not caught before it reaches the gas valve, the valve must be replaced and is nearly 3X the cost of their competitors. Performance is as stated but if your incoming water temperature is not 65 F then expect far less performance. Your homes gas piping and water piping must be taken into account before considering this and the cost of a single wall stainless steel vent system must be calculated into the total cost. Bosch also requires a propritory roof termination kit that if not installed, voids your warranty and this too adds to the total cost.
As a licensed plumber contractor in Ca and a former authorized service provider I had never in all the years of servicing Bosch, seen a correctly installed Bosch tankless. It really doesn't take that much effort to read the instructions and follow them. Of all the various makes and models we have installed in nearly 30 years, I never once had a failure or problem due to my own installations. Bosch service calls sometimes totaled more than 35 per week on new installations alone by home owners, handymen and plumbers. If properly installed, they are perfectly good water heaters. Tthey do have the best and most robust heat exchangers of all brands, this particular models control board is the most advanced and user friendly of all but only to service providers.
The only downside is the limited access to Bosch technical support too and if not installed to the letter, Bosch may and have voided warranties in the past.
Due diligence goes a long ways and emotional reviews only blur accurate information for those seeking answers. Bosch is making the effort to improve product and service and I will give them that...
As a licensed plumber contractor in Ca and a former authorized service provider I had never in all the years of servicing Bosch, seen a correctly installed Bosch tankless. It really doesn't take that much effort to read the instructions and follow them. Of all the various makes and models we have installed in nearly 30 years, I never once had a failure or problem due to my own installations. Bosch service calls sometimes totaled more than 35 per week on new installations alone by home owners, handymen and plumbers. If properly installed, they are perfectly good water heaters. Tthey do have the best and most robust heat exchangers of all brands, this particular models control board is the most advanced and user friendly of all but only to service providers.
The only downside is the limited access to Bosch technical support too and if not installed to the letter, Bosch may and have voided warranties in the past.
Due diligence goes a long ways and emotional reviews only blur accurate information for those seeking answers. Bosch is making the effort to improve product and service and I will give them that...
70 of 84 people found the following review helpful
Have to amend my first, glowing review. This thing is crap, and Bosch customer service is completely unhelpful. The heater won't stay on--keeps flickering on and off--and Bosch basically says they can't/won't help. We can't take showers unless we constantly reset the thing. I have spent 1200 for a complete piece of garbage, and I wish I had a 50-gallon heater.
One more thing: if you think you are going to save natural gas with this thing, think again. We have saved ZERO on our gas bill--it is so gas-intensive when it on that is more than consumes what our old one used.
I STRONGLY recommend
One more thing: if you think you are going to save natural gas with this thing, think again. We have saved ZERO on our gas bill--it is so gas-intensive when it on that is more than consumes what our old one used.
I STRONGLY recommend
18 of 20 people found the following review helpful
I used to heat water through my oil fired furnace. Once the 2700ES was installed, I was able to turn off my furnace all together. It is so great to not hear the furnace kick on several times a day to continuously heat water just in case we needed it.
The only draw back so far is the 20 second wait for the initial delivery of the hot water and this is only a problem for hand washing. My next plan is to install a solar hot water system in series with the 2700ES to save on NG and alleviate the hand washing delay.
I recommend spending the extra money on the optional Auto Reset GFCI cord so you will never have to worry about resetting the 2700ES after a power failure.
I also recommend spending the extra money on the AQ3ES Vent Kit because it is designed specifically for the 2700ES and makes the installation a bit easier. The minimum spacing between the intake and exhaust is 3 feet so I placed my unit in the corner of the basement where the intake and exhaust could be on separate walls giving me maximum spacing with minimal pipe runs.
If you are going to purchase one of these, I suggest checking out [...] as they seem to have the best prices and offer lightning fast free shipping on most all products. Keep an eye on their site though, they continually offer discount coupons and their prices seem to fluctuate.
All in all, I am thrilled with the 2700ES and with the size of the unit, I am able to get an endless amount of hot water delivered simultaneously to as many showers/appliances as my water pressure can handle. I hear it may be different in the winter but for now, I can easily run two showers and the dishwasher with plenty of hot water and pressure.
I highly recommend the 2700ES and I strongly recommend having the unit installed by a licensed professional.
The only draw back so far is the 20 second wait for the initial delivery of the hot water and this is only a problem for hand washing. My next plan is to install a solar hot water system in series with the 2700ES to save on NG and alleviate the hand washing delay.
I recommend spending the extra money on the optional Auto Reset GFCI cord so you will never have to worry about resetting the 2700ES after a power failure.
I also recommend spending the extra money on the AQ3ES Vent Kit because it is designed specifically for the 2700ES and makes the installation a bit easier. The minimum spacing between the intake and exhaust is 3 feet so I placed my unit in the corner of the basement where the intake and exhaust could be on separate walls giving me maximum spacing with minimal pipe runs.
If you are going to purchase one of these, I suggest checking out [...] as they seem to have the best prices and offer lightning fast free shipping on most all products. Keep an eye on their site though, they continually offer discount coupons and their prices seem to fluctuate.
All in all, I am thrilled with the 2700ES and with the size of the unit, I am able to get an endless amount of hot water delivered simultaneously to as many showers/appliances as my water pressure can handle. I hear it may be different in the winter but for now, I can easily run two showers and the dishwasher with plenty of hot water and pressure.
I highly recommend the 2700ES and I strongly recommend having the unit installed by a licensed professional.
Most Recent Customer Reviews
Don't by this
I've had this heater for 5 years now and it has been repaired 4 times including a repair right out of the box - horrible product we are now going to replace this due to a new... Read more
Published 23 days ago by sensible
Going strong after 14 months of service
After reading numerous less than glowing reviews of the 2700ES I felt it important to give my take on the heater. Read more
Published 3 months ago by P. READLY
Left on the side of the road... for dead by Bosch Service
Bosch Tankless Hot Water Heaters
I would like to title this as "Left on the side of the road... Read more
I would like to title this as "Left on the side of the road... Read more
Published 5 months ago by Tom Terrific
Unreliable unit - terrible customer support.
Have had ongoing problems with Bosch tankless. Replaced several parts at a cost totaling over half the original unit's cost, but still functions unreliably. Read more
Published 6 months ago by W. Wilhide
home owner
We love tankless water heater... But this unit turns off and on (hot to cold to hot)in the shower... not as great as I wanted. Read more
Published 7 months ago by Jim A.
Terrible Bosch Warranty
I purchased a Bosch Aquastar Tankless Water Heater in August 2011. The unit has a temp sensor that is very sensitive and cuts out after about 2 minutes of operation. Read more
Published 7 months ago by austinbroker
VERY COMPLICATED INSTALLATION
NEEDED MORE PRESSURE THAN MY GAS COMPANY COULD PROVIDE FOR IT TO WORK , AND REGULATORN ON EVERY GAS APPLIANCE . ABOUT 1200 IN INSTALLATION COST PLUS THE HEATER 975
Published 7 months ago by Jaime Penaranda
Bosch 2700 tankless water heater...defective right out of the box!
Right out of the box our brand new Bosch Tankless water heater (2700 NG model) did not work. Our plumber called their customer service. Read more
Published 9 months ago by kreislfam
Love it.
I've had the 2700ES for about 1.75 years. I have yet to experience a single issue. The only time I've ever had to touch it was to hit the reset button after a power outage and to... Read more
Published 10 months ago by Shane
Best of the tankless Bunch!
I feel for a thousand dollar purchase on Amazon its worth a review. I purchased this to replace my big tank. Read more
Published 11 months ago by amx512
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