1. Used for water pump
2. The pump automatically start and stop based on the set pressure.
3. Threaded interface: 1/4" female or male;3/8" female or male
4. The cover has a self-locking adjustment knob. Pull the black knob out to turn it for pressure adjustment (as indicated by the arrow), then push it down to lock.
1. Cover
2. Threaded interface
3. Pressure setting
