Series MVS | Miniature Vacuum Switch is a compact, lightweight, and adjustable which is designed for OEM applications. Other applications include HVAC, dairy systems, medical, office equipment, and pump control. | Dwyer Instruments
ISG Mechanical Vacuum Pressure Switch IP44
Amazon.com: 28146SW Brake Vacuum Switch Vacuum Pump Switch for 12V Electric Brake Booster Electric Vacuum Pump Kit : Automotive
SMC ZSE40-W1-22L vacuum switch, high preci, ZSE40/50/60 VACU