Your search query on "MCDONNELL & MILLER Pressure Switches" returned the following results:

New ITT McDonnell & Miller Low Water Cut-Off Switch, NO. 2, 115/230 VAC, 110000 (203742416973)

New ITT McDonnell & Miller Alternate Pump Switch Assembly, APS-1, 179151 (194617983877)

New Old Stock Mcdonnell & Miller Fs6-1 1" Flow Switch 115600 (194429797251)

New ITT McDonnell & Miller Remote Sensor Assembly, RS-4-BR-1, 179527 (194617867684)

McDonnell Miller Explosion Proof Flow Switch FS74E 300lb Max Pressure 115-230 V (275124835257)

1 1/4 MNPT Industrial/Heavy-duty Flow Switch (224922653860)