Dreyoo 40-80 PSI Water Pressure Pump Pressure Switch Assembly for 12V 24V 110V 115V Water Pump, Adjustable Pressure Switch Replacement Kit Compatible with Most Brands of Water Pumps - Amazon.com
12V DC Fresh Diaphragm Pump Self Priming Sprayer Pump with Pressure Switch, Adjustable for Marine Boat Lawn - Walmart.com
adjustable 12v air compressor pressure switch| Alibaba.com
SEAFLO - Diaphragm Water Pump - 12V - Centreville Trailer Parts