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Product Range
 
Burner Sequence Controllers
Flame Sensors
Damper Motor
Pressure Switches
 
 
Pressure Switches Back To Honeywell
 
Pressure Switches These are pressure controllers that provide direct control of modulating motors or valves used on automatic burners or steam heating systems. These pressuretrols have two potentiometers for unison control of two motors, they also have adjustable proportioning range to allow selection of desired pressure control range. It comes with steel case with clear plastic cover to observe pressure settings and potentiometer action.   
Pressure Switches types
 
L91B...
 
L91B... L91B...
L91 proportional pressuretrol controllers are series 90 modulating pressure controllers that provide direct control of modulating motors or valves used on automatic burners or steam heating systems.