Which port should be used for the bypass

provided the system's maximum design pressure aligns with the 235 PSI rating

preventing circuit overload and protecting downstream components from voltage spikes

The most common culprits are restricted airflow from a dirty MERV-rated filter

Cleveland Controls NS2-1291-00 Pressure Switch mario Which port should be usedThe Cleveland Controls NS2 1291 00 Pressure Switch is a high precision air pressure sensing switch designed for critical monitoring in industrial and commercial HVAC systems. Engineered with a factory calibrated set point of . 25" w. c., this unit ensures accurate detection of positive, negative, or differential pressure. It features a rugged, glass filled polycarbonate housing and a high stability silicone diaphragm, allowing it to maintain a narrow