Description
The Weil McLain 511-724-292 is an OEM flue temperature sensor engineered specifically for compatible Weil McLain boiler systems. Designed to monitor flue gas temperatures in real time, this sensor plays a critical role in protecting your boiler from overheating conditions and ensuring safe, code-compliant operation.
Product Overview
As a genuine Weil McLain replacement part, the 511-724-292 flue temperature sensor integrates seamlessly with the boiler’s control system to deliver accurate temperature feedback. When flue temperatures exceed safe operating thresholds, the sensor signals the control board to take protective action — helping to prevent damage to the heat exchanger, venting components, and connected equipment.
Key Features
- OEM Weil McLain replacement flue temperature sensor
- Monitors flue gas temperature for safe boiler operation
- Provides real-time temperature feedback to the boiler control board
- Helps protect heat exchanger and venting components from overtemperature conditions
- Direct OEM replacement for precise fit and reliable performance
- Supports proper system diagnostics and fault detection
Application
- Designed for use with compatible Weil McLain boiler models
- Ideal for residential and light commercial hydronic heating systems
- Suitable for use by licensed HVAC and plumbing professionals
Why Choose an OEM Sensor?
Using a genuine Weil McLain replacement sensor ensures compatibility with the original control system, maintains manufacturer warranty compliance, and delivers the accuracy required for safe boiler operation. Aftermarket substitutes may not meet the same calibration or resistance specifications as the original part.
Important Note
Installation should be performed by a qualified HVAC technician in accordance with all applicable local codes and the boiler manufacturer’s installation and service instructions.







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