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Bosch C 950 ES - 5.5 GPM at 60° F Rise - 0.95 EF - Gas Tankless Water Heater - Direct Vent (Scratch & Dent)

Bosch C 950 ES - 5.5 GPM at 60° F Rise - 0.95 EF - Gas Tankless Water Heater - Direct Vent (Scratch & Dent)
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Model: C 950 ES NG-SD
(Based on expert analysis, manufacturer ratings and customer reviews)
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
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  • Product Description
  • 8
    Reviews
  • Recommended Accessories
  • How-To Articles
  • Manuals
Product Description
+
Fuel
Natural Gas
Location
Indoor
# of Showers
2.6
Energy Factor
Fuel
Natural Gas
Location
Indoor
#of Showers
2.6
Energy Factor
0.95
Energy Star Rated
Yes
Features
Features
    ***Scratch & Dent*** Dents on exterior panels. 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.
  • New Venting Option
  • The new 2" venting option allows the flue to use your existing vent of up to 9.5' and eliminates the need to drill new holes.
  • 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
  • You also have the ability to use your existing 1/2" gas line for a perfect retrofit of your existing system. Consult manual and NFPA 54 ANSI Z223.1 national fuel gas code for requirements
  • 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.
Specifications
General Information
Type
Tankless Water Heater
Product Line
Greentherm
Medium Learn More 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 Learn More 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
Condensing
Storage Type
Tankless
Vent Type Learn More 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
Mount Type
Wall
Installation Location
Indoor
Performance
Flow Rate at 40F Temperature Rise Learn More 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
8.2 GPM
Flow Rate at 50F Temperature Rise Learn More 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
6.6 GPM
Flow Rate at 55F Temperature Rise Learn More 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
6.0 GPM
Flow Rate at 60F Temperature Rise Learn More 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
5.5 GPM
Flow Rate at 70F Temperature Rise Learn More 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
4.7 GPM
Maximum Input Capacity Learn More 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.
175000 BTU
Minimum Input Capacity
19000 BTU
Energy Factor Learn More 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 Learn More 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
2 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 Listed
Yes
Warranty Information
Parts Warranty Learn More A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Heat Exchanger Warranty
10 Years
Fuel
Natural Gas
Location
Indoor
# of Showers
2.6
Energy Factor
Fuel
Natural Gas
Location
Indoor
#of Showers
2.6
Energy Factor
0.95
Energy Star Rated
Yes
Features
Features
    ***Scratch & Dent*** Dents on exterior panels. 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.
  • New Venting Option
  • The new 2" venting option allows the flue to use your existing vent of up to 9.5' and eliminates the need to drill new holes.
  • 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
  • You also have the ability to use your existing 1/2" gas line for a perfect retrofit of your existing system. Consult manual and NFPA 54 ANSI Z223.1 national fuel gas code for requirements
  • 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.
Specifications
General Information
Type
Tankless Water Heater
Product Line
Greentherm
Medium Learn More 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 Learn More 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
Condensing
Storage Type
Tankless
Vent Type Learn More 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
Mount Type
Wall
Installation Location
Indoor
Performance
Flow Rate at 40F Temperature Rise Learn More 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
8.2 GPM
Flow Rate at 50F Temperature Rise Learn More 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
6.6 GPM
Flow Rate at 55F Temperature Rise Learn More 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
6.0 GPM
Flow Rate at 60F Temperature Rise Learn More 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
5.5 GPM
Flow Rate at 70F Temperature Rise Learn More 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
4.7 GPM
Maximum Input Capacity Learn More 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.
175000 BTU
Minimum Input Capacity
19000 BTU
Energy Factor Learn More 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 Learn More 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
2 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 Listed
Yes
Warranty Information
Parts Warranty Learn More A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Heat Exchanger Warranty
10 Years
Product Specs
+
Specifications
General Information
Type
Tankless Water Heater
Product Line
Greentherm
Medium Learn More 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 Learn More 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
Condensing
Storage Type
Tankless
Vent Type Learn More 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
Mount Type
Wall
Installation Location
Indoor
Performance
Flow Rate at 40F Temperature Rise Learn More 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
8.2 GPM
Flow Rate at 50F Temperature Rise Learn More 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
6.6 GPM
Flow Rate at 55F Temperature Rise Learn More 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
6.0 GPM
Flow Rate at 60F Temperature Rise Learn More 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
5.5 GPM
Flow Rate at 70F Temperature Rise Learn More 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
4.7 GPM
Maximum Input Capacity Learn More 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.
175000 BTU
Minimum Input Capacity
19000 BTU
Energy Factor Learn More 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 Learn More 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
2 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 Listed
Yes
Warranty Information
Parts Warranty Learn More A warranty is a safeguard from defects in manufacturing and can vary in length and terms. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Heat Exchanger Warranty
10 Years
Reviews
(8)
+
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