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Always verify the rotation direction of your existing motor before installation
Key Benefits: Dual-Stage Precision: Specifically engineered for 2-stage heating systems to maximize fuel efficiency and consistent temperature control
Can this vacuum breaker be used under continuous pressure
95% AFUE Optimization: Specifically designed for high-efficiency condensing units
or "whistling" sounds near the inducer flange
Lennox 11G27 Enthalpy Sensor 30067439-890 Always verify the rotation directionThe Lennox 11G27 Enthalpy Sensor is a critical component for optimizing demand control ventilation (DCV) and economizer performance in Lennox commercial HVAC systems. This solid state sensor monitors both sensible and latent heat to determine the energy content of outside air, allowing the controller to modulate economizer dampers for maximum efficiency. Designed for precise integration with Lennox rooftop units (RTU), the 11G27 ensures that "free