making it a direct fit for most standard Fenwal electrodes and high-voltage transformers

Built with a rugged ASTM B584 Bronze body and nozzle

If voltage is present but the DPST contacts fail to close

ensure the SPST action matches your specific wiring schematic requirements

Always verify the WC (Water Column) ratings on the existing switch's label before installation

Ranco O16-503 Pressure Control Els PW 17895 making it a direct fitThe Ranco O16 503 is a heavy duty high pressure cutout control designed for precise system protection in commercial refrigeration and air conditioning applications. As a direct P70JA 18 replacement, this SPDT pressure control features a single pole double throw switch, offering versatility for both safety cutout and alarm signaling. Built with a high visibility scale for accurate field adjustments, it manages a wide operating range from 150 to 450