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Buderus G315/5 - 350K BTU - 86.8% Combustion Efficiency - Hot Water Gas/Oil Boiler - Chimney Vent - Assembled - Burner Sold Separately

Buderus G315/5 - 350K BTU - 86.8% Combustion Efficiency - Hot Water Gas/Oil Boiler - Chimney Vent - Assembled - Burner Sold Separately
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Model: 7738000261
(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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$5,367.00
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  • Product Description
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  • 1
    Product Q&A
  • Recommended Accessories
  • How-To Articles
  • Manuals
Product Description
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Features
Features
    The Buderus G315 oil boiler is a complete home oil heating solution that works equally well in both new construction and renovations of existing buildings. The three pass heat exchanger extracts every last possible BTU of heat energy out of the oil supply, resulting in higher efficiencies across the board. The flexible cast iron included in the boiler's construction, giving the boiler fantastic resistance to thermal shock. Combined with its installation versatility and optimal connection placements, the G315 is a boiler package that will last your home for many years to come.
  • Three-Pass Heat Exchanger
  • The three-pass heat exchanger included with the G315 allows the water to be heated three separate times, allowing a higher water temperature to be maintained throughout the system while improving heating efficiency.
  • Fully Thermally Insulated
  • The G315 boiler is encased by three inches of thermal insulation, keeping generated heat inside the boiler during downtime and preventing heat loss during uptime.
  • Ideal for New Installations or Renovations
  • The G315 boiler is ideal for both new construction and renovations of aged housing due to its adaptive heat exchanger and optimal connection placement.
  • Flexible Cast Iron
  • The heat exchanger of the Buderus G315 boiler is made of patented flexible cast iron, allowing the boiler to resist even the most punishing thermal shock.
Specifications
General Information
Product Line
G315
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
Heat Exchanger Material
Cast Iron
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/Oil
Combustion Type
Conventional
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.
Chimney Vent
DHW Production ? DHW (Domestic Hot Water) is potable water for uses other than space heat. Some boilers are able to provide DHW "out of the box", while others can do so with the purchase of optional accessories.
No
Modulating/Staging ? Stages are unique speeds or levels that equipment can operate at. More stages allow for better fine-tuned control of output, which improves comfort and efficiency. Modulating equipment can operate across a range of levels, giving the highest level of fine-tuned control. Learn More
Single Stage
Mount Type
Floor
Maximum Altitude
8500 Feet
Assembly Type
Packaged
Burner Model
Sold Separately
Performance
Input Rate
3.0 GPH
DOE Heating Capacity ? Also referred to as Gross Output, this is the output of a boiler after accounting for combustion efficiency. We recommend sizing hot water boilers based on the DOE Heating Capacity.
350000 BTU
Net I=B=R Capacity ? I=B=R, also referred to as Net Output or AHRI Capacity, is the rated heat output of a boiler after accounting for combustion efficiency, piping loss, and an extra pickup factor. We recommend sizing steam boilers based on the I=B=R rating.
304000 BTU
Efficiency
86.8 %
Efficiency Type
Combustion Efficiency
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Dimensions
Fluid Content
37.8 Gallons
Flue Connection Size
7 Inches
Gas Connection Size
1 Inch
Supply Connection
3 Inches
Return Connection
3 Inches
Product Height
40 3/4 Inches
Product Width
34 3/4 Inches
Product Depth
44 1/4 Inches
Product Weight
1197 Pounds
Certifications
Country of Origin
Germany
IBR Listed
Yes
Warranty Information
Parts Warranty ? 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
1 Year
Heat Exchanger Warranty
10 Years
Features
Features
    The Buderus G315 oil boiler is a complete home oil heating solution that works equally well in both new construction and renovations of existing buildings. The three pass heat exchanger extracts every last possible BTU of heat energy out of the oil supply, resulting in higher efficiencies across the board. The flexible cast iron included in the boiler's construction, giving the boiler fantastic resistance to thermal shock. Combined with its installation versatility and optimal connection placements, the G315 is a boiler package that will last your home for many years to come.
  • Three-Pass Heat Exchanger
  • The three-pass heat exchanger included with the G315 allows the water to be heated three separate times, allowing a higher water temperature to be maintained throughout the system while improving heating efficiency.
  • Fully Thermally Insulated
  • The G315 boiler is encased by three inches of thermal insulation, keeping generated heat inside the boiler during downtime and preventing heat loss during uptime.
  • Ideal for New Installations or Renovations
  • The G315 boiler is ideal for both new construction and renovations of aged housing due to its adaptive heat exchanger and optimal connection placement.
  • Flexible Cast Iron
  • The heat exchanger of the Buderus G315 boiler is made of patented flexible cast iron, allowing the boiler to resist even the most punishing thermal shock.
Specifications
General Information
Product Line
G315
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
Heat Exchanger Material
Cast Iron
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/Oil
Combustion Type
Conventional
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.
Chimney Vent
DHW Production ? DHW (Domestic Hot Water) is potable water for uses other than space heat. Some boilers are able to provide DHW "out of the box", while others can do so with the purchase of optional accessories.
No
Modulating/Staging ? Stages are unique speeds or levels that equipment can operate at. More stages allow for better fine-tuned control of output, which improves comfort and efficiency. Modulating equipment can operate across a range of levels, giving the highest level of fine-tuned control. Learn More
Single Stage
Mount Type
Floor
Maximum Altitude
8500 Feet
Assembly Type
Packaged
Burner Model
Sold Separately
Performance
Input Rate
3.0 GPH
DOE Heating Capacity ? Also referred to as Gross Output, this is the output of a boiler after accounting for combustion efficiency. We recommend sizing hot water boilers based on the DOE Heating Capacity.
350000 BTU
Net I=B=R Capacity ? I=B=R, also referred to as Net Output or AHRI Capacity, is the rated heat output of a boiler after accounting for combustion efficiency, piping loss, and an extra pickup factor. We recommend sizing steam boilers based on the I=B=R rating.
304000 BTU
Efficiency
86.8 %
Efficiency Type
Combustion Efficiency
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Dimensions
Fluid Content
37.8 Gallons
Flue Connection Size
7 Inches
Gas Connection Size
1 Inch
Supply Connection
3 Inches
Return Connection
3 Inches
Product Height
40 3/4 Inches
Product Width
34 3/4 Inches
Product Depth
44 1/4 Inches
Product Weight
1197 Pounds
Certifications
Country of Origin
Germany
IBR Listed
Yes
Warranty Information
Parts Warranty ? 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
1 Year
Heat Exchanger Warranty
10 Years
Product Specs
+
Specifications
General Information
Product Line
G315
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
Heat Exchanger Material
Cast Iron
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/Oil
Combustion Type
Conventional
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.
Chimney Vent
DHW Production ? DHW (Domestic Hot Water) is potable water for uses other than space heat. Some boilers are able to provide DHW "out of the box", while others can do so with the purchase of optional accessories.
No
Modulating/Staging ? Stages are unique speeds or levels that equipment can operate at. More stages allow for better fine-tuned control of output, which improves comfort and efficiency. Modulating equipment can operate across a range of levels, giving the highest level of fine-tuned control. Learn More
Single Stage
Mount Type
Floor
Maximum Altitude
8500 Feet
Assembly Type
Packaged
Burner Model
Sold Separately
Performance
Input Rate
3.0 GPH
DOE Heating Capacity ? Also referred to as Gross Output, this is the output of a boiler after accounting for combustion efficiency. We recommend sizing hot water boilers based on the DOE Heating Capacity.
350000 BTU
Net I=B=R Capacity ? I=B=R, also referred to as Net Output or AHRI Capacity, is the rated heat output of a boiler after accounting for combustion efficiency, piping loss, and an extra pickup factor. We recommend sizing steam boilers based on the I=B=R rating.
304000 BTU
Efficiency
86.8 %
Efficiency Type
Combustion Efficiency
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Dimensions
Fluid Content
37.8 Gallons
Flue Connection Size
7 Inches
Gas Connection Size
1 Inch
Supply Connection
3 Inches
Return Connection
3 Inches
Product Height
40 3/4 Inches
Product Width
34 3/4 Inches
Product Depth
44 1/4 Inches
Product Weight
1197 Pounds
Certifications
Country of Origin
Germany
IBR Listed
Yes
Warranty Information
Parts Warranty ? 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
1 Year
Heat Exchanger Warranty
10 Years
Reviews
(1)
+
Buderus 7738000261 Reviews & Ratings
Product Q&A
(1)
+
Search Product Q&A's Answered by Bob, the Heating Product Expert
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What is the difference between a conventional and a condensing boiler?
Jagdish 
from New York 
October 31, 2016
Answer
Condensing boilers use the condensing process to extract extra heat from the water vapor in the flue gasses. By condensing the water vapor back into liquid water, they can use this heat to increase the efficiency of the boiler by 10% - 15%. In a conventional boiler, this extra heat typically escapes up the chimney and is wasted. 
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Buderus G315/5 - 350K BTU - 86.8% Combustion Efficiency - Hot Water Gas/Oil Boiler - Chimney Vent - Assembled - Burner Sold Separately
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