Description
The AERCO 99042-2 is a genuine OEM dual element thermocouple designed for use with AERCO boiler and water heating equipment. Dual element thermocouples provide two independent sensing junctions within a single assembly, offering both primary temperature measurement and a redundant or backup signal — a critical feature in commercial and industrial heating applications where accurate, continuous temperature monitoring is essential for safe and efficient operation.
Key Features
- Genuine AERCO OEM replacement part (SKU: 99042-2)
- Dual element design provides primary and secondary temperature sensing in one assembly
- Engineered for accurate, reliable temperature measurement in demanding boiler and hydronic applications
- Direct OEM replacement ensures proper fit and compatibility with AERCO equipment
- Supports safe system operation through redundant sensing capability
- Built to withstand the high-temperature environments typical of commercial boiler systems
Application
This dual element thermocouple is intended as a direct replacement component for AERCO boilers and water heaters. Thermocouples are critical sensing devices that monitor flue gas or water temperatures, feeding data to the boiler control system to maintain setpoints and protect equipment from overtemperature conditions. Always verify compatibility with your specific AERCO unit model before installation.
Why Choose Genuine AERCO Parts?
Using genuine OEM components like the AERCO 99042-2 ensures that your equipment maintains its designed performance, warranty compliance, and operational safety. Aftermarket substitutes may not meet the precise specifications required by AERCO control systems.







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