Weil-Mclain 383-900-155 ECO Tec 150-H 150 Input MBtu 95% AFUE Natural Gas Condensing Heat Only Water Boiler Series 2 - Direct Vent Or Direct Exhaust
In Stock. Ships in 1-7 Business Days.

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Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NY / NJ / CT Metro Area |
$220-$300 | EAST COAST By Zip Code & Weight |
$300-$400 | MIDWEST / SOUTH By Zip Code & Weight |
$400-$450 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NY / NJ / CT Metro Area |
$220-$300 | EAST COAST By Zip Code & Weight |
$300-$400 | MIDWEST / SOUTH By Zip Code & Weight |
$400-$450 | WEST COAST By Zip Code & Weight |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NYC Metro Area |
$160 | Rest Of Contiguous US |
For any questions regarding shipping cost please Call us at 973-482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$30 | NY / NJ / CT Metro Area |
$60 | Across the USA |
For any questions regarding shipping cost please Call us at (973) 482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$75 | NYC Metro Area |
Not Available | Rest Of Contiguous US | We unfortunately can not ship this material outside of our trucking area. |
For any questions regarding shipping cost please Call us at (973) 482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$30 | Across the USA |
For any questions regarding shipping cost please Call us at 973-482-4444 or E-mail [email protected]
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$60 | Across the USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$70 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$110 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | Pickup |
$75 | NY / NJ / CT Metro Area |
Not Deliverable | Rest of Contiguous USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
Free | NY / NJ / CT Metro Area |
$50 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Shipping Cost by Destination
Shipping Cost | Shipping Destination |
---|---|
$90 | Across USA |
Need it faster? Alternatives are available. For any questions regarding shipping cost please call us at (973) 482-4444 or email [email protected]. Please enter zip code at checkout for EXACT rates, these are estimates!
Product details
Weil-McLain’s newest, premium residential gas boiler. Designed to be easy to install and service, with a long-lasting firetube heat exchanger and our next generation, easy to use, color touchscreen control. The ECO Tec is also available in a combi version, generating hot water output up to 5.4 GPM, making it the first premium residential combi from the biggest name in boilers.
FEATURES- Heat only sizes: 80, 110, 150 , 199 MBH
- Combi sizes: 110,150,199 MBH (up to 5.4 GPM)
- Wall or floor base mounting options
- Stainless steel firetube heat exchanger design
- Unity 2.0 control with color touch screen
ECO Tec HIGH-EFFICIENCY CONDENSING BOILER

Boiler
- Stainless Steel Firetube Heat Exchanger
- Non-Metallic Heat Exchanger Base
- 10:1 Turndown Ratio (110-199 Sizes)
- 8:1 Turndown Ratio (80 Size)
- Built-In ECM Circulator (Taco 0015e)
- 3-in-1 Air/Vent Adapters w/Test Port
- Built-In LWCO Port
- Wall-Mount Bracket and Template
- Condensate Trap
- Low NOx SCAQMD Compliant
- High Altitude Approved
Control Features
- Color Touchscreen Display
- Easy Setup with Control Wizard
- Zone and/or Priority-Based Control
- 4 Thermostat Inputs (2 on Combi)
- 0-10V Input (Modulation or Setpoint)
- Outdoor Reset for Each Priority
- Rate Adjustable per Priority
- 4 Outputs (2 on Combi) can be used with external circulators, dampers or system aux
- Aux Inputs – Flow Switch or End Switch
- Aux Outputs – System Pump or Damper
- Individually Fused 120V Outputs
- Modbus Connectivity
- Additional Heat Demand Contact
- Multi-boiler functionality with optional kit

Optional accessories
- Easy-up manifold
- Avoid flow issues, save time with quick fit near boiler piping
- Isolation flush valves
- For easy DHW maintenance Paintable sidewall vent termination
- Blend in, nice appearance 2” and 3” concentric vent termination
- For one penetration through sidewall or roof Low water cutoff
- Simple plug and play kit to meet local codes Condensate neutralizer
- To protect home drain line Water treatment and test kit
- To help ensure entire system protection Parts kit
- Critical components to optimize customer service Maintenance kit
- Key components to perform annual boiler maintenance Propane kit
- Simple conversion to match home LP supply System sensors
- Extra monitoring points on supply and return pipes for further modulation Multi-boiler wiring kit
- Connect and operate up to eight ECO Tec boilers, to satisfy the needs of larger structures Floor stand kits
- Pedestal version (shown)
- Adjustable frame version
Specification Sheet
MPN ? Manufacturer Part Number | 383-900-155 |
---|---|
UPC / GTIN | 672619211681 |
Manufacturer | Weil-McLain |
Series ? A manufacturer's grouping of items that match, coordinate, or complement each other. | ECO Tec |
Weight ? Weight | 158.00 |
---|---|
BTU Input | 150,000 |
AFUE | 95% |
Tank Capacity | 3.1 gallons |
Vent Size (Inches) | 3' |
Height (Inches) ? The vertical measurement from bottom to top, measured in inches. | 30" |
Length (Inches) ? The distance of the product's longest side, measured in inches. | 19" |
Width (Inches) ? The horizontal measurement from left to right, measured in inches. | 20" |
Material ? The material(s) used in the construction of the product. | Stainless Steel |
---|---|
Boiler Type | Residential |
Fuel Type | Natural Gas |
Venting | Direct Vent |
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