Water Pressure Gauge 60mm 150 PSI Bottom Mount 1/4" NPT (GT16-3S)

<p>Keep an eye on filter performance and know exactly when it's time to change your cartridges. This 60mm dial gauge threads straight into the 1/4" NPT gauge port on Big Blue filter housing caps (the same port your stoppers plug when no gauge is fitted) and reads pressure up to 150 PSI.</p><p>A rising pressure drop across your whole house filter is the clearest sign your cartridge is due for a change — fit one gauge before the housing and one after to monitor the difference at a glance.</p><ul><li>60mm dial, 0-150 PSI range</li><li>1/4" NPT bottom mount thread</li><li>Fits the gauge port on Big Blue (20" x 4.5") whole house filter housing caps</li></ul>