Johnson P29NC-2C Low Pressure Control 20"-100# SPST with Time Delay P29NC is a low pressure control with time delay and lockout, which requires manual reset. A drop in pressure energizes the time delay relay and opens a contact after the time delay,...

Honeywell L404V1087 Pressuretrol SPST 10-150 PSI Oil pressure sensing devices for use on oil burner systems using any type of fuel oil, including heavy pretreated oils. Features: Clear plastic cover Snap-acting switching to open or close a circuit on...