if the ceramic insulator is cracked or the metal is heavily pitted

including those from Trane

and temperature extremes

Is this compatible with 24V control circuits

Johnson Controls P29NC-3 Cutout Control Els PW 29614 if the ceramic insulator isThe Johnson Controls P29NC 3 Cutout Control is a critical safety component designed for heavy duty refrigeration and industrial applications. This low pressure cutout control features a manual reset mechanism and a built in 60 second time delay to prevent nuisance shutdowns caused by momentary pressure fluctuations during startup or normal cycling. Engineered for versatility, it operates on a 120 240 Vac dual voltage circuit and supports a wide