Honeywell Pressuretrol Controller, Oil Limit, Auto Recycle (10 psi to 150 psi)

Switching Action: SPST snap acting break on pressure rise Overview: Oil pressure sensing devices for use on oil burner systems using any type of fuel oil, including heavy pretreated oils. Features: Clear plastic cover allows observation of the pressure settings. Models have snap-acting switching to open or close a circuit on pressure rise. L404T High pressure limit, break a circuit on oil pressure rise above setpoint. L404V Low Pressure limit, makes a circuit on oil pressure rise above setpoint. 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.