Because the Sporlan 168144 is internally equalized

a non-relieving brass model (like the R364 series) with appropriate elastomers is generally required to prevent leakage

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

Which port should be used for the bypass

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

Cleveland Controls NS2-1291-00 Pressure Switch mario Because the Sporlan 168144 isThe 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