3.5″ Pressure Gauge, 300 PSI, 1/4″NPT (UL/FM)
Senju Sprinkler Gauges are designed for use on wet or dry sprinkler systems.
These 3.5″ gauges are approved by Factory Mutual System and are listed by UL.
3.5″ Pressure Gauge, 300 PSI, 1/2″NPT
Senju Spinkler Gauges are designed for use and install quickly in wet or dry residential sprinkler systems.