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Early Warning Devices

Your gauges register a problem, you grab a quick glance at the gauges, and recognize that a problem exists, but your engine may have already suffered expensive damage. Our warning switches and lights can help save costly repairs by alerting you of problems before damage has a chance to occur.

The very first Pegasus part number, #1003, came about because Pegasus founder Chris Heitman raced a Formula Ford with a bad habit of throwing oil pump belts. By the time a commercially-available 20psi oil pressure switch would trigger the warning light, the engine was already damaged. Chris designed a 30psi oil pressure switch to turn on the light sooner so he had a chance to save the engine.

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Gauges and Data Acquisition

Recent Top Selling Products for this category

20 psi Oil Pressure Warning Switch - 1/8 NPT
20 psi Oil Pressure Warning Switch - 1/8 NPT

This warning switch turns on if your oil pressure drops below 20 psi. Single-terminal design works with a 2-terminal warning light (sold separately).

225 F Temperature Switch, 1/4 NPT
225 F Temperature Switch, 1/4 NPT

This single-terminal switch connects to ground if the fluid temperature exceeds 225F. Works with any two-wire (non-grounding) warning light. 1/4 NPT male threads.

15-50 psi Adjustable Oil Pressure Warning Switch, 1/8 NPT
15-50 psi Adjustable Oil Pressure Warning Switch, 1/8 NPT

This oil pressure switch is adjustable 20-40psi. Our oil pressure switches are rated for 100 psi operating pressure but can take momentary over-pressures of up to 500 psi.