Water pump pressure control switch with adjustable spring rod, self-priming water injection

This is a water pump pressure switch for precise pressure control. This pressure switch allows you to precisely adjust the water pump pressure as needed. Made with high-quality materials, it is robust and durable. A silver damping layer prevents overheating even under high current. A high-strength spring ensures stable pressure. An imported rubber diaphragm ensures long service life and prevents leaks. Easy to install and durable. Compatible with most water pumps, such as self-priming pumps, jet pumps, garden pumps, etc.