Honeywell Pressuretrol Controller

Honeywell Pressuretrol Controller, 10-150 PSI Operating Pressure Range, 10-22 PSI Differential Pressure,SPDT Snap Action, Make R-W, Break R-B on Pressure Rise For Use with Steam, Air, Noncombustible Gases or Non Corrosive Fluids, 120Vac/240Vac, Mount using 1/4″NPT Internal Pipe Threads or Surface Mount Through Base of Glass