or ventilation systems

featuring a dedicated 1 inch bore to allow for a secure

When you're outfitting a hydronic system that demands precision

it accommodates a broad spectrum of static and differential pressure applications

Johnson Controls P545NCB-25 Oil Control Freon or ventilation systemsThe Johnson Controls P545NCB 25 is a high performance electronic lube oil control designed for refrigeration compressors featuring single point differential pressure monitoring. Engineered by PENN Controls, this unit integrates a P400BD 1 differential pressure switch and a 120 second factory set time delay to protect mechanical components during low pressure events. Operating on 120 240 VAC, it continuously evaluates net oil pressure, ensuring the