Fireye SCN-TST-02-03 Simulator 320788-702 this bellows assembly is designed

this bellows assembly is designed to work with both older mercury switch versions and modern snap-action switch assemblies found in Series 150S and 157S units

often resulting from a severely clogged air filter

it optimizes burner startup and reduces the risk of delayed ignition

Precision Control: Integrated minimum position adjustment allows for fine-tuning airflow control to maintain head pressure and system balance

the A70AA-16 is a reliable choice for freeze protection and air stratification monitoring in commercial air handling units

Fireye SCN-TST-02-03 Simulator 320788-702 this bellows assembly is designedThe Fireye SCN TST 02 03 UV & IR Simulator is a diagnostic and commissioning tool designed for flame safeguard systems used in commercial and industrial burner applications. Commonly used with Fireye flame scanners, this simulator allows technicians to verify UV and IR flame amplifier response without requiring an active flame, improving troubleshooting efficiency during startup and maintenance procedures. Built for compatibility with Fireye control