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Bosch C 1050 ES - 6.3 GPM at 60° F Rise - 0.95 EF - Gas Tankless Water Heater - Direct Vent
Model:
C 1050 ES NG
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$21.28
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Quantity
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$24.50
In-Stock
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Frequency
Select how often you will receive your air filters, we offer many options to meet your air quality standards.
Quantity
Quantity
This will be how many filters you receive per delivery.
Quantity
$205.00
In-Stock
$40.32
Features
Fuel
Natural Gas
Location
Indoor
# of Showers
3.0
Energy Factor
0.95
Energy Star Certification
Yes
- Compact Venting
- Compact 2" venting allows for use of existing vent openings and eliminates the need to drill new holes in many applications.
- Active Bypass
- The Greentherm models all come with an automated, fully modulating bypass for temperature stability to ensure you have a constant accurate temperature.
- External Access to Inlet Water Filter
- Bosch provides you with external access to the filter, for easy replacement. This ensures that you are receiving clean, usable water.
- Convenient Gas Hook Up
- The ability to use an existing 1/2" gas line makes the Greentherm an ideal option for storage tank retrofits.
- Built-In Digital Control Panel
- The Greentherm tankless hot water heaters have a digital control panel on the front of your unit to adjust temperature and to make sure your system is running properly.
- Durable Heat Exchanger Design
- The complete path the water takes is made of copper pipes to avoid corrosion and premature failure.
- Multi Unit Cascades
- Easily control up to 24 water heaters with the optional cascading kit. It activates and deactivates other water heaters as needed.
- Water Heater Mobile App
- Easily access any sizing or technical documentation through the convenient Bosch water heater mobile app.
The Greentherm tankless water heater is Bosch's most efficient model in their Therm line of tankless water heaters. It achieves an improved energy factor of 0.95 by capturing heat from the flue gases, the efficiency of the water heater is increased by 10% from previous models. The Greentherm is wall mounted to save on space and only heats when there is a demand for hot water. The Greentherm tankless water heater provides you maximum efficiency while having a virtually endless supply of hot water.
California residents see
Warning: This product can expose you to chemicals including Lead which is known to the State of California to cause Developmental Harm.
For more information go to: www.p65Warnings.ca.gov
Specifications
C 1050 ES NG
General Information
Type
Tankless Water Heater
Product Line
Greentherm
Medium
Medium
Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.
Hot Water
Fuel Type
Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
Natural Gas
Combustion Type
Combustion Type
Condensing appliances use leftover thermal energy from combustion gases to heat water in a secondary heat exchanger, resulting in higher efficiency and lower exhaust temperature.
Condensing
Vent Type
Vent Type
Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
Direct Vent
Storage Type
Tankless
Mount Type
Wall
Installation Location
Indoor
UPC
052575108001
Performance
Maximum Input Capacity
Maximum Input Capacity
The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
199000 BTU
Minimum Input Capacity
19900 BTU
Flow Rate at 40F Temperature Rise
Flow Rate at 40F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
9.5 GPM
Flow Rate at 50F Temperature Rise
Flow Rate at 50F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
7.6 GPM
Flow Rate at 55F Temperature Rise
Flow Rate at 55F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
6.8 GPM
Flow Rate at 60F Temperature Rise
Flow Rate at 60F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
6.3 GPM
Flow Rate at 70F Temperature Rise
Flow Rate at 70F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
5.4 GPM
Energy Factor
Energy Factor
Energy Factor (EF) is a measurement of water heater energy efficiency. The higher the energy factor, the more efficient the water heater. Learn More
0.95
Minimum Flow Rate
.50 GPM
Ultra Low NOx Emissions
Ultra Low NOx Emissions
NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Ultra Low NOx appliances emit less than 10-14 ng/J (nanogram per Joule) of NOx. Learn More
Yes
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Dimensions
Primary Vent Pipe Diameter
3 Inches
Gas Connection Size
3/4 Inch
Cold Water Inlet
3/4 Inch
Hot Water Outlet
3/4 Inch
Product Height
30 1/2 Inches
Product Width
17 7/8 Inches
Product Depth
11 1/4 Inches
Product Weight
74 Pounds
Certifications
Energy Star Listed
Yes
CSA Listed
Yes
AHRI Certified
Yes
NSF Certified
NSF Certified
The National Sanitation Foundation has developed public health standards and certification programs to protect the world's food, water, consumer products and environment.
Yes
Warranty Information
Parts Warranty
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Heat Exchanger Warranty
15 Years
Reviews
(10)
Bosch Thermotechnology C 1050 ES NG Reviews & Ratings
Customer Photos and Videos
Customer Rating
4.90
(10 Ratings)
5
(9)
(9)4(1)
(1)3(0)
(0)2(0)
(0)1(0)
(0)
Great Product!
By Ronald S.
Cedar Lake, Indiana
Purchased 04/16/2018 |
Review Posted 06/06/2018
We have a 3 bedroom home. This unit provides all the never ending hot water we need!
Ronald S. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Price, Quiet, I'd Buy It Again, High Quality
So Happy 😊 great product!
By Ronald S.
9733 W. 136th Pl., Indiana
Purchased 04/16/2018 |
Review Posted 05/28/2018
Great product, and tech team at comfort is terrific 👌 Bob couldn't have been more helpful and attentive. Any product they carry, I will definitely be back to them!
Ronald S. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Price, I'd Buy It Again, Quiet, High Quality
Fantastic
By Terry B.
Green Bay, Wisconsin
Purchased 02/19/2018 |
Review Posted 03/14/2018
We have used a Bosch tankless water heater for 22 years when it finally had to be replaced. We chose this brand and model because of its features, capacity, and ease of installation. We are very pleased with our purchase as it doubled the hot water flow rate of our previous model. The installation was easy and painless. The heater exceeds our expectations.
Terry B. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
This is the fourth
By Timothy S.
Las Vegas, Nevada
Purchased 01/22/2018 |
Review Posted 02/12/2018
I purchased this unit to replace a similar model I have had for years. It has been a good, reliable unit. I also installed one in another house I had, and have a smaller Bosch gas unit as a point of use unit in this house. They have all been very reliable.
Timothy S. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Quiet, Easy To Use, Reliable, High Quality
Wonderful Product!
By Rita V.
New Iberia, Louisiana
Purchased 11/06/2017 |
Review Posted 11/30/2017
We had a Bosch on demand hot water heater that we bought 8 years ago. It went out so we bought this one to replace it. It has all the same features. One recommendation is to clean out the hot water pipes at least once a year. Our old one was gunked up and I think that is what made it quit working
Rita V. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5
Impressed With The Unit - Bosch 1050 ES.
By Michael H.
Bozeman, Montana
Purchased 10/04/2017 |
Review Posted 10/26/2017
This unit is solid, as expected from Bosch. My gas line initially was undersized from a previous gas tank powervent unit. Install was reasonable, but took some effort and some plumbing expertise, about 8 hours all told, removing the old unit. Instructions seemed fine. Had initial error messages, but found a mounting screw missing the right fan unit, once replaced and all fasteners checked for tightening, has worked flawlessly since. I have been running the unit with about 70K BTU for 10 days, works fine for showers etc..., line being increased to 209K BTU in the next day or so, then will enjoy its full capacity. I would do this unit again. Rated quality at good due to missing and loose fasteners. Very easy startup, once installed.
Michael H. Recommends This
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Rating Breakdown
5/5
4/5
5/5
5/5
Pros:
Price, I'd Buy It Again, Quiet, Fast
Cons:
Manufacture Attention to Detail
Easy To Install & Easier To Operate
By Joe B.
MAPLE VALLEY, Washington
Purchased 08/06/2017 |
Review Posted 08/31/2017
This unit was installed as a replacement for a 12 year old, non-condensing Bosch Aquastar 250SX. The difference is amazing. This unit fit exactly where the old unit did but it is much quieter and heats faster. I can hardly tell that it is on whereas the old unit made quite a bit of noise.
I like the small meter on the display that indicates how much of the unit's capacity is being used when it's running and the small icon that indicates the burner is operating. The venting was a breeze compared to the old unit and much less expensive.
This unit is well worth the money and is actually less expensive in the long run since the venting is far cheaper than a non-condensing unit and it is 95% efficient (compared to my old unit @ 84%).
I like the small meter on the display that indicates how much of the unit's capacity is being used when it's running and the small icon that indicates the burner is operating. The venting was a breeze compared to the old unit and much less expensive.
This unit is well worth the money and is actually less expensive in the long run since the venting is far cheaper than a non-condensing unit and it is 95% efficient (compared to my old unit @ 84%).
Joe B. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Price, Easy To Use, Quiet, I'd Buy It Again
Should Have Done This Sooner
By Robert A.
Petaluma, California
Purchased 07/31/2017 |
Review Posted 08/21/2017
eComfort had the best price of 6 stores I had looked at. The Bosch C 1050 ES is a wonderful product. It is quiet, efficient and is saving us both electricity and water. Our water bill is starting to shrink.
Robert A. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Features, Price
Hopefully it won't leak.
By Steve O.
Kansas city, Missouri
Purchased 01/29/2017 |
Review Posted 03/04/2017
When the item arrived via FedEx, the delivery man brought it to the house upside down. Apparently during the shipping and handling, the bottom of the box let loose and the item fell out. A weak attempt was made to repackage and tape the bottom, but they didn't get everything back in order and the packaging protruded from the bottom of the box and the bottom flaps did not completely close, therefore it was turned upside down and shipped in the bottoms up position.
I wasn't sure what my options were at that point (refuse delivery?) and I should have taken pictures. I took the water heater out, inspected it, did not see any physical damage, repackaged it so it fit completely in the box, taped the end so that I could carry it downstairs to the basement.
Once in the basement, I again unpacked it and checked the packing list. All items were accounted for. Now during the installation, I have discovered the hot water threaded nipple on the bottom of the unit has a noticeable amount of wiggle. I wonder if it got damaged when the item came out of the packaging during shipping. I plan on doing a pressure test before installing gas and water lines.
I do not believe FedEx would have taken the boxed item in the condition I received it, therefore EComfort I would say is not to blame. If the item is damaged, I expect EComfort/FedEx to make it right. At this point I like EComfort and would recommend them to a friend.
I wasn't sure what my options were at that point (refuse delivery?) and I should have taken pictures. I took the water heater out, inspected it, did not see any physical damage, repackaged it so it fit completely in the box, taped the end so that I could carry it downstairs to the basement.
Once in the basement, I again unpacked it and checked the packing list. All items were accounted for. Now during the installation, I have discovered the hot water threaded nipple on the bottom of the unit has a noticeable amount of wiggle. I wonder if it got damaged when the item came out of the packaging during shipping. I plan on doing a pressure test before installing gas and water lines.
I do not believe FedEx would have taken the boxed item in the condition I received it, therefore EComfort I would say is not to blame. If the item is damaged, I expect EComfort/FedEx to make it right. At this point I like EComfort and would recommend them to a friend.
Steve O. Recommends This
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Rating Breakdown
4/5
4/5
3/5
4/5
Bosch Tankless
By Susan S.
Columbiaville, Michigan
Purchased 10/17/2016 |
Review Posted 11/19/2016
This is the second Bosch Tankless I have owned. They make a great quality product. I would not get any other brand.
Susan S. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Price, Reliable, High Quality, I'd Buy It Again
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Bosch C 1050 ES - 6.3 GPM at 60° F Rise - 0.95 EF - Gas Tankless Water Heater - Direct Vent
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