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

the P70CA-1 is compatible with most common non-corrosive refrigerants

Compact Footprint: Engineered for tight tolerances on control boards

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

and 95G2 series

Cleveland Controls NS2-1291-00 Pressure Switch mario The most common culprits areThe 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