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often due to restricted airflow or an overheated heat exchanger
This SPST pressure switch features an "Open-Low" action
The Johnson Controls A11B-1 is a professional-grade low temperature cutout control
reducing efficiency
Trane BAYENTH001A Enthalpy Kit 321042-401 often due to restricted airflowFor service technicians field tuning Trane rooftop units, the Trane BAYENTH001A Enthalpy Kit is a critical upgrade for optimizing economizer logic. This solid state enthalpy sensor kit replaces standard dry bulb temperature controls, allowing the system to measure the total heat content (latent and sensible) of outdoor air. By integrating a solid state enthalpy sensor, you ensure the economizer only permits "free cooling" when the outdoor air is truly
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