Gauges

Pressure Gauges enable the user to see what pressure levels their system is developing. Accurate gauges can warn of internal pump damage, cavitation, pressure spikes, and other problems. Glycerin Filled. When selecting your pressure gauge, always allow at least 10% above the maximum capacity of your unit. For example: if your machine is rated 4000 PSI, you must purchase a gauge that has a maximum range of 5000 PSI.