The L404F1094 is a pressuretrol controller with a snap-acting switch that has a 20 to 300 psi (140 to 2070 kPa) operating range and 20 to 50 psi differential with 350 psi (2410 kPa) maximum diaphragm pressure.  UL-listed and CSA-certified.

The pressuretrol controller is suitable for pressure system applications allowing operating control with automatic limit protection.  Featuring a clear plastic cover for easy setpoint monitoring.  The unit can be calibrated by turning the pressure-adjusting screw. 

The L404F1094 is easy to install and can be mounted to 1/4" NPT internal pipe threads or surface mount through the base of the glass.  The 50024585-001 brass siphon loop, 4074BWJ limit stop accessories, 14026 siphon loop, and 129178E thermoplastic cover replacement parts are also available.