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2-Stage Performance: Supports dual-stage heating systems with the exact airflow curves required for low and high-fire operation
The solid-state design eliminates the mechanical failures common in float-style switches
For contractors troubleshooting pilot drops or inducer motor failures in Sterling HVAC systems
Ionization Reliability: Optimized for accurate flame sensing and rectification
Scalable Architecture: Supports the addition of 19 slave modules for comprehensive 20-zone control
Lau 60557101 Fan Blade 30067439-890 2-Stage Performance: Supports dual-stage heatingThe Class II Type B2 biological safety cabinet is engineered for critical laboratory environments where total exhaust is non negotiable. Unlike Type A2 models that recirculate filtered air, this 100% total exhaust BSC ensures that no contaminated air returns to the work zone or the lab, making it an essential component for handling volatile toxic chemicals and radionuclides. Designed for hard ducted connection to the facility's external exhaust