Description
The Weil McLain 381-800-445 is an OEM vent damper assembly designed as a direct replacement for compatible Weil McLain boilers. Featuring a 9-inch diameter damper and an integrated wiring harness, this assembly helps regulate flue gas flow, reducing standby heat loss and improving overall boiler efficiency when the unit is not actively firing.
Product Overview
This vent damper assembly is engineered to Weil McLain’s exacting standards, ensuring a precise fit and reliable operation in the field. The included wiring harness simplifies installation by providing a plug-and-play connection to the boiler’s control system, eliminating the need for custom wiring and reducing installation time.
Key Features
- OEM Weil McLain replacement part — ensures compatibility and performance
- 9-inch diameter vent damper for proper flue sizing
- Integrated wiring harness for simplified, plug-and-play installation
- Helps reduce standby heat loss by closing the flue when the boiler is off
- Improves overall system efficiency and fuel savings
- Designed for reliable, long-term operation in residential and light commercial applications
Application
- Direct OEM replacement for compatible Weil McLain boiler systems
- Suitable for residential and light commercial hydronic heating systems
- Designed for use with natural draft venting configurations
Why Choose an OEM Replacement?
Using a genuine Weil McLain replacement part ensures your boiler system continues to operate at peak efficiency and within manufacturer specifications. An OEM vent damper assembly provides the correct fit, function, and safety performance — protecting your investment and maintaining warranty compliance.
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