Pressuretrol Controllers, Modulating, 10 psi to 300 psi


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Honeywell proportional pressuretrol controller with a range of 10-300 psi, non-adjustable, one potentiometer, and a 1/4″ NPT female connection to siphon loop.  L91 proportioning pressuretrol controllers provide direct control of modulating motors or valves used on automatic burners or steam heating systems.

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SKU: CON-PTROL-L91A1078 Category: Tags:

Modulating pressure operating control for regulation of liquid or air and other non-corrosive gases.


  • Use with steam, air, noncombustible gases, or other fluids non-corrosive to the brass or phos-bronze (300 psi models) bellows.
  • Do NOT use with combustible mediums or any medium chemically harmful to phos-bronze bellows (10-300 psi models) or brass bellows (all other pressure range models).


Manufacturer ID


Pressure Range

10 psi to 300 psi

Switch Operation


Max Pressure


Pressure Differential

12 psi

Product Data

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