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- ItemPressure Switch
- ApplicationAir Compressor
- Actuation TypeDiaphragm
- Range25 to 160 psi
- Differential25 to 65 psi
- Contact FormDPST
- Port Type1-Port 1/4" FNPT
- Unloader1/4" Compression
- Factory On/Off Setting100/125 psi
- HP @ 1 Phase - 120V2
- HP @ 1 Phase - 230V3
- Burst Pressure500 psi
- Manual Switch ActionAuto/Off
- AC Contact Rating26A
- NEMA Rating1
- IP Rating54
- Temp. Range-22 Degrees to 257 Degrees F
- Special Features4 kW/4 HP Switching Capacity, 11 Bar/160 psi Maximum Cut-Out Pressure
- StandardsUL Listed, CSA Certified
Compliance and Restrictions
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- Well Pressure Switches (153)
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Actually this issue has nothing to do with your pressure switch. You have a bad check valve (1-way valve that lets air go into your tank but not back out). When this valve gets stuck open, it allows air to back flow out of your tank and go out of your unloader valve until the tank pressure drops and causes the switch to turn on again. If you replace your check valve the problem will go away.
Grainger is neither responsible for, not does it endorse, the content of any statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger.