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Weil-McLain UO-4 - 148K BTU - 87% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model:
386901007
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Recommended Accessories
Expert Recommended Accessories
Selected by Ken, our Expert
Required Accessories
9
These accessories are required to properly setup/install this product.
Optional Accessories
10
Features
- Modern Appearance
- The Weil-McLain Ultra Oil has appliance-like design features that allow placement in high traffic living spaces as well as providing easy serviceability.
- Swing-Away Door
- Featuring a full access, reversible swing-away door, the Ultra Oil provides simplified inspection, cleaning and maintenance.
- Three Pass Design
- The three pass design, used by Weil-McLain for over 70 years, provides better flame control and efficient fuel utilization.
- Concealed Controls
- The Ultra Oil, with it's top mounted hinged control POD, includes a factory installed external service switch and temperature and pressure gauge for easy viewing.
- Venting Flexibility
- The Weil-McLain Ultra Oil can be vented to an existing chimney or direct vented using the pre-packaged termination and combustion air kit.
Over the last 130 years, Weil-McLain has built a reputation of designing some of the most reliable boilers in the marketplace. Weil-McLain's Ultra hot water boiler is highly efficient, simple to install, and remarkably durable. Using condensing technology, the Ultra will reuse heat that escapes from conventional boilers, providing greater efficiency. When equipped with the optional Weil-McLain Advanced Features Module (AFM), the Ultra is a very user-friendly boiler. A clear display screen relays information about operations, temperatures, and system status. With AFM and an 87% AFUE, the Ultra UO-3 makes comfort and efficiency more accessible than ever before.
California residents see
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
For more information go to: www.p65Warnings.ca.gov
Specifications
386901007
Overview
Product Category
Boiler
UPC
672619204010
General Information
Product Line
UO
Product Category
Boiler
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
Heat Exchanger Material
Cast Iron
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.
Oil
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.
Conventional
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.
Chimney Vent
Modulating/Staging
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
Staging
Mount Type
Floor
Assembly Type
Packaged
Includes Pump
Yes
Burner Model
Sold Separately
Performance
AFUE
AFUE
AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace. Learn More
87 %
Input Rate
1.2 GPH
DOE Heating Capacity
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.
148000 BTU
Net I=B=R Capacity
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.
129000 BTU
Electrical Data
Phase
1
Frequency
60 Hz
Dimensions
Flue Connection Size
6 Inches
Supply Connection
1 1/2 Inches
Return Connection
1 1/2 Inches
Product Height
40 Inches
Product Width
22 1/16 Inches
Product Depth
29 Inches
Shipping Width
23 Inches
Shipping Height
39 Inches
Shipping Depth
27 Inches
Shipping Weight
737 Pounds
Certifications
CSA Listed
Yes
Energy Star Listed
Yes
ASME Certified
Yes
AHRI Certified
Yes
AHRI Reference Number
7434750
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
2 Years
Heat Exchanger Warranty
20 Years
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Product Q&A
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Weil-McLain UO-4 - 148K BTU - 87% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
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