While cleaning with light steel wool can temporarily restore a signal

The set point is adjusted by removing the enclosure cover and turning the calibration screw

it supports a 650 psig maximum working pressure

Mounting is seamless via standard #4-40 hex screws

Berko 1210-0090-000 Fan Blade Els PW 17895 While cleaning with light steelFor contractors maintaining or repairing HVACR systems, the Berko 1210 0090 000 Fan Blade is a direct replacement component engineered for reliable performance. This 12 inch fan blade features a precise 11 degree pitch and a 3 8 inch bore, ensuring optimal airflow and system efficiency. Designed with a 4 blade configuration and a counterclockwise (CCW) rotation, it integrates seamlessly into various Berko, Marley, and QMark units. Its durable