Visible soot

Can this electrode be used for both ignition and flame sensing

While a 3PDT can often replace a DPDT by leaving the third pole unused

Can this be used for both single and dual temperature thermostats

Johnson Controls P20CA-146 Pressure Control Els PW 17895 Visible sootThe Johnson Controls P20CA 146 Pressure Control is a heavy duty, high pressure cutout designed for air conditioning and refrigeration systems. Engineered for high side protection, this adjustable pressure switch features a wide operating range from 100 to 425 PSI, ensuring reliable performance in demanding HVACR applications. Use this control when you need an automatic reset mechanism that triggers "open" on a pressure rise at 300 PSI. With its 19 PSI