Pressuretrol Controller, 10-150PSI Operating Pressure Range, 10-22 PSI Differential Pressure, Snap Switch Makes R-W 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

Pressuretrol Controller, 20-300 PSI Operating Pressure Range, 20-50 PSI Differential Pressure, Snap Switch Makes R-W 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

Pressuretrol Controller, 2-15 PSIOperating Pressure Range, 2-6 PSI Differential Pressure, Snap Switch Makes R-W 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