
Protect your hydronic heating system from dry-firing damage with the Weil-McLain 381-330-040 LWCO Control Module. This reliable control board, part number 381-330-040, provides continuous monitoring of internal water levels to maintain safe operating conditions within your boiler.
Utilizing high-precision electronic sensors, this module instantly detects drops in water volume, triggering an automated alarm or immediate system shutdown before heat exchanger damage occurs. Its robust design is engineered for seamless integration with existing safety circuits, providing a proactive defense against mechanical failure due to low-water conditions.
Key System Performance Baselines:
- Continuous Monitoring: Maintains real-time tracking of water levels to prevent dry-fire scenarios.
- Automated Response: Executes rapid system shutdown or alarm triggering upon detecting unsafe water drops.
- Operational Reliability: Enhances the overall longevity of your boiler by safeguarding internal components.
- Easy Installation: Designed for efficient integration into existing control panels with compact, durable circuitry.
⚠️ Application Profile: Designed for use in commercial and residential hydronic heating systems where low-water cutoff protection is mandated for safety and compliance.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 381-330-040 |
| Manufacturer | WEIL-MCLAIN |
| Component Type | LWCO Control Module |
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
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- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
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