This and many other products are now available for order online and pickup at the Power Equipment Direct warehouse in Bolingbrook, Illinois or at a Ferguson location near you.
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Weil-McLain 143K BTU 95.1% AFUE Hot Water Gas Boiler Direct Vent
New NewThis product is new and has never been used. It's in its original packaging, which has not been opened.
Weight
125 Pounds 125 PoundsTotal weight of the product and any included accessory/components. This total is not the shipping weight, as it does not include packing material, which may increase the overall shipping weight of this product.
Product Line
ECO
Medium
Hot Water
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Recommended Accessories
Required AccessoriesAdd All Required
Installation Accessories
Features
Features
Overview for Weil-McLain ECO 155
Overview for Weil-McLain 383800005Over the last 130 years, Weil-McLain has built a reputation of designing some of the most reliable boilers in the marketplace. Their dedication to producing long-lasting heating solutions is seen in every boiler they make. The ECO hot water boiler is an ideal blend of efficiency and value. A remarkable 95.1% AFUE sets the ECO 155 apart from other boilers. This efficiency is possible in such a small package thanks to condensing technology and a modulating burner. Condensing boilers trap gas that escapes traditional boilers and reuse the heat within. Modulation reduces unnecessary fuel use by scaling the burner output to match your heating demands. The ECO includes a control that is both easy to use and easy to read. Both the ECO and the control mount on the wall for convenience and to save space. Weil-McLain's ECO brings efficiency and flexibility to the forefront in a package that suits any space.
Product Features
Fire Tube Heat ExchangerThe ECO forgoes a typical heat exchanger for a fire tube heat exchanger. Fire tube heat exchangers are known for their steady temperatures. They allow for larger water content than traditional heat exchangers, which reduces short cycling and temperature fluctuations.Outdoor Reset ControlAn outdoor reset sensor is included with every ECO boiler. This sensor allows your boiler temperature to be adjusted relative to the temperature outside, eliminating excess energy use and guaranteeing comfort.Easy Installation & MaintenanceThe ECO's low profile and wall mounting mean that it can be installed almost anywhere. The internal components are situated for quick maintenance, and removable control terminal blocks simplify wiring.
Product Includes
(1) Weil-McLain ECO 155 Hot Water Boiler
(1) Outdoor Temperature Sensor
(1) Wall Mount Bracket
(1) Natural Gas to Liquid Propane Conversion Kit
Fire Tube Heat Exchanger
The ECO forgoes a typical heat exchanger for a fire tube heat exchanger. Fire tube heat exchangers allow for larger water content than traditional heat exchangers, which reduces short cycling and temperature fluctuations.
Outdoor Reset Control
An outdoor reset sensor is included with every ECO boiler. This sensor allows your boiler temperature to be adjusted relative to the temperature outside, eliminating excess energy use and guaranteeing comfort.
Easy Installation & Maintenance
The ECO's low profile and wall mounting mean that it can be installed almost anywhere. The internal components are situated for quick maintenance, and removable control terminal blocks simplify wiring.
Specifications
Specifications
General Information
Product Line
ECO
Medium MediumMedium 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 TypeTo 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 TypeCondensing 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 TypeProducts 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
DHW Production DHW ProductionDHW (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 Modulating/StagingStages 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.
Modulating
Mount Type
Wall
Minimum Altitude
0 Feet
Maximum Altitude
5500 Feet
Includes Pump
No
Assembly Type
Packaged
Gas Conversion Kit
Included
UPC
0672619208100
Performance
AFUE AFUEAFUE (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.
95 %
Maximum Input Capacity Maximum Input CapacityThe 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.
155000 BTU
Minimum Input Capacity
28000 BTU
DOE Heating Capacity DOE Heating CapacityAlso 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.
143000 BTU
Net I=B=R Capacity Net I=B=R CapacityI=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.
124000 BTU
Ultra Low NOx Emissions Ultra Low NOx EmissionsNOx 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.
Yes
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Dimensions
Gas Connection Size
1/2 Inch
Flue Connection Size
3 Inches
Supply Connection
1 1/4 Inches
Return Connection
1 1/4 Inches
Product Height
30 3/4 Inches
Product Width
17 5/8 Inches
Product Depth
18 3/8 Inches
Product Weight
125 Pounds
Shipping Weight
130 Pounds
Certifications
Energy Star Listed
Yes
CSA Listed
Yes
ASME Certified
Yes
AHRI Certified
Yes
AHRI Reference Number
6046943
Warranty Information
Parts Warranty Parts WarrantyA 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
1 Year
Heat Exchanger Warranty
10 Years
Reviews
Reviews
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Weil-McLain 143K BTU 95.1% AFUE Hot Water Gas Boiler Direct Vent