Lochinvar L100208561 Flue Sensor

Product Description

The LOCHINVAR L100208561 is a flue sensor designed to monitor flue gas temperature in hydronic heating and hot water systems. It provides the control system with accurate temperature data, allowing the unit to operate safely and efficiently within designed parameters. Licensed HVAC technicians and boiler service professionals install this sensor as part of routine maintenance or when diagnosing control or overheat faults in LOCHINVAR-branded equipment.

This flue sensor is suited for residential and light commercial applications where LOCHINVAR boilers or water heaters are installed. It is typically positioned in the flue or exhaust path of the appliance to detect abnormal temperature conditions and relay that data to the appliance control board. Proper sensor function is critical to safe appliance operation and accurate fault detection.

Key Features

• Monitors flue gas temperature to support safe appliance operation
• Interfaces with the appliance control board for fault detection and system protection
• OEM-style replacement designed to match original fitment and function
• Supports accurate temperature data reporting to the appliance control system

Compatibility

Designed as an OEM-style replacement flue sensor for LOCHINVAR boiler and water heating equipment.

Installation Notes

Installation should be performed by a licensed HVAC technician or qualified boiler service professional. Before servicing, shut down the appliance, allow it to cool completely, and isolate electrical power to the unit. Consult the appliance service manual for sensor location and wiring terminal identification. Follow all applicable local codes and manufacturer guidelines during installation.

Technical Specifications

• Product Type: Sensor

Standard Information

• Brand: LOCHINVAR
• Manufacturer Part Number: L100208561