Does this unit come with the mounting hardware

How do I set the differential on the low side

providing robust performance for fans

it features a rugged housing and a balanced impeller to minimize vibration and operational noise

excessive soot buildup

Johnson Controls P74FA-5 Pressure Control Els PW 17895 Does this unit come withThe Johnson Controls P74FA 5 is a high performance differential pressure control designed for sensing pressure changes across oil filters or pumps in heavy duty commercial HVAC and refrigeration systems. This SPDT snap acting switch provides reliable lube oil protection, ensuring that compressors do not operate under insufficient oil pressure. Featuring an adjustable range of 8 to 60 psi and a fixed 1. 5 psi switch differential, this Penn P74 series