Bosch 89,000 BTU 95% AFUE Condensing Boiler Greenstar NG/LP Combi 100

Model: ZWB28-3 Item Number: 37392
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Bosch Thermotechnology ZWB28-3
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Bosch Thermotechnology ZWB28-3
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Bosch 89,000 BTU 95% AFUE Condensing Boiler Greenstar NG/LP Combi 100
Bosch 89,000 BTU 95% AFUE Condensing Boiler Greenstar NG/LP Combi 100 Model: ZWB28-3 Item Number: 37392
$1,899.00
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Specification Highlights
    Condition
    New Learn More
    Weight
    110.2 Pounds Learn More
    Product Line
    Greenstar
    Medium
    Hot Water
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Capacity (BTU/h)
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Recommended Accessories
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Features

Overview for Bosch Thermotechnology ZWB28-3

The Bosch greenstar boiler represents today's best efficiency technologies brought together in a single package. Astounding efficiency ratings can be achieved with the use of Bosch's condensing technology, squeezing every last BTU out of your home's gas supply. An included 3-speed Grundfos pump and a wide variety of pipe venting options allow the boiler to be installed in nearly any home imaginable. This boiler includes a domestic hot water coil, allowing the boiler to act as a tankless hot water heater as well as a hydronic boiler.
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Specifications

General Information
Product Line
Greenstar
Medium Learn More
Hot Water
Fuel Type Learn More
Natural Gas
Combustion Type Learn More
Condensing
Vent Type Learn More
Direct Vent
DHW Production Learn More
Yes
Modulating/Staging Learn More
Modulating
Mount Type
Wall
Minimum Altitude
0 Feet
Maximum Altitude
4500 Feet
Includes Pump
Yes
Assembly Type
Packaged
Gas Conversion Kit
Included
Performance
AFUE Learn More
95 %
Maximum Input Capacity Learn More
100800 BTU
Minimum Input Capacity
34600 BTU
DOE Heating Capacity Learn More
89400 BTU
Net I=B=R Capacity Learn More
79000 BTU
Ultra Low NOx Emissions Learn More
Yes
Turndown Ratio
5:1
Electrical Data
Phase
1
Frequency
60 Hz
Dimensions
Flue Connection Size
3 Inches
Gas Connection Size
3/4 Inch
Cold Water Inlet
3/4 Inch
Hot Water Outlet
3/4 Inch
Supply Connection
1 Inch
Return Connection
1 Inch
Product Height
33 1/2 Inches
Product Width
17 19/48 Inches
Product Depth
13 43/48 Inches
Product Weight
110.2 Pounds
Shipping Weight
118 Pounds
Certifications
Country of Origin
United States
CSA Listed
Yes
ASME Certified
Yes
AHRI Certified
Yes
AHRI Reference Number
4444522
Warranty Information
Parts Warranty Show ACW Parts Warranty Learn More
5 Years
Heat Exchanger Warranty
Limited Lifetime Years
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Bosch 89,000 BTU 95% AFUE Condensing Boiler Greenstar NG/LP Combi 100
Bosch Thermotechnology ZWB28-3
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