Weil-McLain 383700399 Control Assembly, 80 Boilers
1 Available At All US Supply Locations

Weil-McLain EcoTec Control Module Assembly – Precision Control for Boiler Operation
The Weil-McLain EcoTec Control Module Assembly is an OEM replacement component designed to manage and optimize EcoTec boiler functions. Engineered for accuracy and durability, this module provides consistent system control, safeguarding efficiency and reliability across heating applications.
Professional Application
Built specifically for use with Weil-McLain EcoTec boilers, this control module integrates seamlessly with factory systems. It regulates boiler functions, monitors key performance parameters, and ensures safe, efficient operation in residential and light commercial installations.
Key Features
- OEM Precision: Manufactured to Weil-McLain specifications for direct compatibility with EcoTec models.
- Durable Construction: Designed to withstand daily operation and environmental demands.
- Performance Optimization: Supports accurate boiler control for consistent heating output and energy efficiency.
- Integrated Safety Functions: Provides built-in safeguards to protect against operational faults.
- Streamlined Installation: Plug-and-play design minimizes setup time for contractors.
Technical Specifications
- Part Number: 383-700-399
- Compatibility: Weil-McLain EcoTec boilers
- Voltage: 120V
- Dimensions: 8 in. x 6 in. x 2 in.
- Weight: 2 lbs
Installation Notes
Installation of the EcoTec Control Module Assembly should be performed by licensed HVAC or plumbing professionals. Proper wiring, configuration, and code compliance are required to ensure safe and reliable operation. Contractors should verify system compatibility before replacement and follow Weil-McLain installation guidelines closely.
Contractor Benefits
For Professionals: This control module offers dependable performance in the field, reducing service issues and ensuring client satisfaction. Its robust OEM design allows for straightforward replacement, saving time on service calls and maintaining system integrity.
Conclusion
The Weil-McLain EcoTec Control Module Assembly provides contractors with a reliable, factory-approved solution for maintaining EcoTec boiler systems. With its precise engineering, safety features, and durability, it supports long-term performance and efficient system operation.
Specifications
| Weight | 8.880000 |
|---|---|
| Length (inches) | 6 |
| Width (inches) | 2 |
| Height (inches) | 8 |
| Item Type | Boiler Parts |
| Brand | Weil McLain |
| Manufacturer | Weil McLain |
| MPN | 383700399 |
| Sub Type | Control Assembly |
| Item Returns | This item can be returned |
