Proportional Pressuretrol Controller, 0-15 PSI Operating Pressure Range, 1 1/2-12 PSI Pressure Differential, Single Potentiometer, 140 Ohms, Use with Steam, Air, Noncombustible Gas or other Non Corrosive Fluids, 1/4" NPT External Thread, Brass Bellows, 32-150 Degree Temperature Range

2/50# PROP.#TROL 4/32# ADJ DIF

Proportional Pressuretrol Controller, 5-150 PSI Operating Pressure Range, 5-23 PSI Pressure Differential, Single Potentiometer, 140 Ohms, Use with Steam, Air, Noncombustible Gas or other Non Corrosive Fluids, 1/4" NPT External Thread, Brass Bellows, 32-150 Degree Temperature Range

Proportional Pressuretrol Controller, 10-300 PSI Operating Pressure Range, 28-110 PSI Pressure Differential, Single Potentiometer, 140 Ohms, Use with Steam, Air, Noncombustible Gas or other Non Corrosive Fluids, 1/4" NPT External Thread, Brass Bellows, 32-150 Degree Temperature Range

PropPressuretrol 5-150 PSI