Pressuretrol, w/ Auto recycle (5 psi to 50 psi)


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Honeywell pressuretrol controller with a range of 5-50 psi (adjustable 6-14 psi differential range), and a 1/4″ NPT female connection to siphon loop. This pressuretrol features a SPDT switch that can make or break on pressure rise. L404F pressuretrol controllers provide operating control with automatic limit protection for pressure systems of up to 300 psi. Controllers may be used with steam, air, or noncombustible gases, or fluids noncorrosive to the pressure sensing element.

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SKU: CON-PTROL-L404F1078 Category: Tags:

Provides operating control with automatic limit protection for pressure systems up to 300 psi (2068 kPa)


  • 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″ -18 NPT internal pipe threads or surface mount through base of case
  • Ground screw terminal


  • Application: Provide control of steam, air, non-combustible gases or non-corrosive fluids
  • Operating Range: 5 to 50 psi
  • Switching Action: SPDT snap action, make R-W, break R-B on pressure rise
  • Sensor Element: Stainless Steel diaphragm
  • Pipe Connections, Main or High Pressure:1/4″ NPT internal thread
  • Differential Type: Subtractive
  • Switch Contact Ratings (120 Vac): 8.0 AFL, 48.0 ALR, 10.0 A resistive
  • Maximum Sustained Operating Pressure (psi): 85 psi
  • Pressure Differential (psi) 6 to 14 psi
  • Temperature Range: -35 F to +150 F
  • Electrical Connections:Screw terminals





Manufacturer ID


Operating Range

5 psi to 50 psi

Switch Action

SPST break on pressure rise

Max Pressure

85 psi

Switch Operation

Auto Recycle

Pressure Differential

6 psi to 14 psi

Product Data

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