Honeywell #L404F1102, Pressuretrol Controller w/ Auto recycle (10 psi to 150 psi)
Use with steam, air, noncombustible gases, or fluids non-corrosive to pressure sensing element.
Models have snap-acting switching to open or close a circuit on pressure rise.
Have adjustable differentials.
Adjustments are made by screws on top of case.
Mount using 1/4 inch -18 NPT internal pipe threads or surface mount through base of case.
Ground screw terminal.