
Maintaining precise hydronic heating performance requires accurate thermal feedback, which the Weil-McLain 381-356-589 Supply Temperature Sensor provides. This replacement sensor effectively monitors boiler output temperatures, ensuring the control board receives the real-time data needed to modulate heating cycles and prevent system inefficiency.
The unit functions by detecting fluid thermal changes and converting them into electrical resistance signals interpreted by the boiler’s control logic. By providing consistent and reliable temperature readings, it prevents short-cycling and helps maintain the desired discharge water temperature to maximize comfort and fuel economy.
Key System Performance Baselines:
- Precision Sensing: Delivers high-accuracy temperature detection for consistent hydronic system management.
- Control Compatibility: Specifically engineered to integrate with Weil-McLain heating units for optimized boiler control.
- Durable Construction: Built for high-moisture and high-temperature environments typical of residential and light-commercial boiler supply piping.
⚠️ Application Profile: This sensor is designed for use in Weil-McLain hydronic heating systems, specifically for monitoring supply water temperature in high-efficiency boiler installations.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 381-356-589 |
| Manufacturer | Weil-McLain |
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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