featuring identical mounting characteristics and electrical ratings

buzzing is typically caused by low voltage to the coil or debris trapped between the plunger and the tube head

the P145NCB-12 is factory-set to the compressor manufacturer's specifications

OEM Precision: Ensures exact hole alignment for primary and secondary condensate line connections

maintaining system pneumatic control accuracy and operational efficiency

Dwyer Instruments 1638-0 Pressure Switch R-22 featuring identical mounting characteristics andThe Dwyer Instruments 1638 0 Pressure Switch is a high precision, large diaphragm differential pressure switch engineered for critical HVAC and industrial process monitoring. Designed for use with air and non combustible gases, this low pressure switch features an adjustable range of 0. 05" w. c. to 0. 25" w. c., making it ideal for duct air control and sensitive differential pressure sensing. The unit utilizes a single pole double throw (SPDT)