
Maintaining precise thermal regulation within your hydronic heating system is achieved through the Weil-McLain 383-500-300 return and supply water sensor. By continuously monitoring the temperature differential of the water entering and exiting the boiler, this sensor provides the critical feedback needed to maintain consistent comfort levels while reducing unnecessary burner cycles.
This sensor integrates directly with your boiler control system, acting as a telemetry bridge that translates liquid thermal data into actionable output adjustments. By measuring supply and return fluctuations in real-time, the control board can modulate fuel consumption to align with current heating demands, ensuring peak seasonal performance.
Key System Performance Baselines:
- Precision Temperature Tracking: Delivers high-accuracy data for both return and supply water lines.
- Energy Consumption Optimization: Enables the control module to adjust burner output based on actual heat demand.
- Industrial-Grade Durability: Engineered to withstand the constant thermal cycling and moisture found in hydronic environments.
⚠️ Application Profile: Designed for use in compatible Weil-McLain residential and light commercial boiler configurations requiring active thermal monitoring for hydronic loop management.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 383500300 |
| Brand | Weil-McLain |
| Component Type | Return/Supply Water Sensor |
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.