fitting FC9S and FL9S models

the internal plunger or diaphragm is likely fouled or the coil has failed

High-Capacity Flow: Features 3/4" NPT connections to support residential and light commercial BTUh requirements

in-line solution designed for contractors managing hydronic heating systems and commercial water lines

Setra 231G-MS2-2F-N Pressure Transducer Freon fitting FC9S and FL9S modelsThe Setra 231G MS2 2F N is a rugged, wet to wet differential pressure transducer engineered for demanding HVACR liquid and gas monitoring. Designed for the field technician, this multi configurable unit features field selectable pressure ranges covering 10, 20, 50, and 100 PSID in unidirectional mode, and 10, 20, 50, and 100 PSID in bidirectional mode. Its all cast aluminum NEMA 4 enclosure houses a 17 4 PH stainless steel piezoresistive sensor,