The pressure switches used on General Air Products’ fire protection air compressors are list below along side their factory setting. Our pressure switches are field adjustable. Many of the switches below have a video showing exactly how to make the adjustment. Please contact us with any questions you have about our pressure switches – they are the brain’s of the air compressor! Improper wiring or adjustment can cause compressor failure.

SWP60401U-C
Used with standard pressure OL Plus Series riser mounting and tank mounted fire protection air compressors (OL125 through OL365 only).
Factory setting: 30 psi on / 44 psi off.
SWP60601U
Used with standard pressure OL Plus Series riser mounting and tank mounted fire protection air compressors (OL430 through OL1225 only). This pressure switch uses an unloader.
Factory setting: 30 psi on / 44 psi off.
SWP60304-H
Used with low pressure OL Plus Series riser mounting fire protection air compressors.
Factory setting: 13 psi on / 18 psi off.
SWP60401U
This pressure switch is used with our OBSOLETED OL Series air compressors (light blue in color) manufactured before 2012.
Factory setting: 27 psi on / 40 psi off.
SWP60114
Used with our LT Series lubricated tank mounted fire protection air compressors.
Factory setting: 45 psi on / 60 psi off.
SWP60113
Used on General Air Products model AMD-2 air maintenance devices, used to start and stop our L Series lubricated base mounted air compressors. This model can also be used on the LT Series.
Factory setting: 30 psi on / 40 psi off.
SWP60602
Used with high pressure OL Plus Series riser mounting and tank mounted fire protection air compressors as well as our high pressure LT Series lubricated tank mounted units and our Dry Air Pac units.
Factory setting: 80 psi on / 100 psi off.