Honeywell Pressuretrol Controllers

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SKU
00000299

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Honeywell Pressuretrol Controllers

L404F Pressuretrol Controllers: Provides operating control with automatic limit protection for pressure systems up to 300 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
  • Adjustable differentials
  • Adjustments made by screws on top of case
  • Mount using 1/4 inch-18 NPT internal pipe threads or saurface mount through base of case
  • Ground screw terminal

    PA404 Pressuretrol Controllers: Series 40 (2-wire, SPST) Pressuretrol controller for use in 24, 120, 240 or 277 volt control circuits or in self powered applications.

  • Pressure actuated high limit, safety control for steam heating boilers
  • Used with suspension-type unit heaters to make the fan circuit when a pressure rise indicates the presence of steam
  • Models have snap-acting SPST MICRO SWITCH
  • Sensitive pressure-actuated diaphragm expands or contracts with pressure variations, moving lever mechanism
  • Screw on top of case allows set point adjustment without removing cover
  • Differential is adjusted by means of a dial located inside the case

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  • Honeywell Pressuretrol Controllers

    L404F Pressuretrol Controllers: Provides operating control with automatic limit protection for pressure systems up to 300 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
    • Adjustable differentials
    • Adjustments made by screws on top of case
    • Mount using 1/4 inch-18 NPT internal pipe threads or saurface mount through base of case
    • Ground screw terminal

    PA404 Pressuretrol Controllers: Series 40 (2-wire, SPST) Pressuretrol controller for use in 24, 120, 240 or 277 volt control circuits or in self powered applications.

    • Pressure actuated high limit, safety control for steam heating boilers
    • Used with suspension-type unit heaters to make the fan circuit when a pressure rise indicates the presence of steam
    • Models have snap-acting SPST MICRO SWITCH
    • Sensitive pressure-actuated diaphragm expands or contracts with pressure variations, moving lever mechanism
    • Screw on top of case allows set point adjustment without removing cover
    • Differential is adjusted by means of a dial located inside the case
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