Pressuretrol, Manual Reset, 2 to 15 PSI


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Honeywell pressuretrol controller with a range of 2-15 psi, manual reset, and a 1/4″ NPT female connection to siphon loop. Pressuretrol limit controls are high pressure limit switches which break electrical circuits when pressure rises to a preset value. L4079A models have two ganged SPST switches that breaks two circuits (may be both sides of the power supply) simultaneously.

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SKU: CON-UNSORTED-L4079A1035 Category: Tags:

High pressure limit switches.


  • Stainless steel diaphragm for use with steam, air, noncombustible gases and fluids non-corrosive to stainless steel.
  • L4079W is for Oil Applications.
  • Micro Switch snap-acting switches open automatically on pressure rise; must be manually reset.
  • Mount using 1/4 in. NPT female fitting on diaphragm assembly or surface mount through back of case.


Manufacturer ID


Operating Range

2 to 15 PSI

Switch Action

SPST (two) break simultaneously on pressure rise

Max Pressure

15 PSI

Product Data

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