The Weil McLain 381-330-040 is an OEM Low Water Cut-Off (LWCO) Control Module designed to protect Weil McLain boilers from the damaging effects of low water conditions. As a critical safety component, the LWCO control module continuously monitors boiler water levels and automatically shuts down burner operation when water drops below a safe threshold — preventing costly heat exchanger damage, boiler failure, and potential safety hazards.
Engineered as a direct OEM replacement, this control module ensures seamless compatibility with the applicable Weil McLain boiler models it was designed for, maintaining the integrity of the original system design and preserving manufacturer warranty compliance.
Key Features
- OEM Weil McLain replacement LWCO control module
- Monitors boiler water level and triggers automatic burner shut-off on low water detection
- Designed for direct drop-in replacement on compatible Weil McLain boiler models
- Helps protect heat exchanger and boiler components from dry-fire damage
- Supports safe and reliable hydronic and steam boiler operation
- Manufactured to Weil McLain OEM specifications for dependable performance
Application
This LWCO control module is intended for use with compatible Weil McLain boiler systems. Always verify compatibility with your specific boiler model and serial number before installation. Consult the Weil McLain product documentation or contact a qualified HVAC technician for guidance on proper installation and commissioning.
Why Choose OEM Parts?
- Guaranteed fit and function for your Weil McLain boiler
- Maintains original system safety and performance standards
- Supports manufacturer warranty compliance
- Reduces risk of improper operation associated with aftermarket substitutes
