Provide your fire service crew with tough, long-lasting equipment. Class 1 Fire Service Gauges are available in a variety of sizes and pressures. Learn More.

Class 1 is recognized for innovations such as our liquid-filled pressure gauges with patented freeze proof SUB-Z isolator. The Class 1 digital pressure gauge includes large super bright …

Our goal is to assist you in ordering the correct gauge the first time and every time. By following the guidelines below we can quickly and easily find the part number required.

These Class 1 gauges work great in many industries, including firefighting, utility, and mechanical services. Their rugged design and readable face make them essential for every job.

Class1 Interlube filled pressure gauges with a patented Sub-Z II freeze-proof isolator are a must for all fire apparatus. Because the stem and bourdon tube are filled and sealed with a low …

Class1 Interlube filled pressure gauges with patented Sub-Z II freeze-proof isolator are a must for all fire apparatus. Because the stem and bourdon tube are filled and sealed with a low …

Class1 is a leading manufacturer of gauges that exceed the rigorous demands of fire service professionals. Standard, Backlit, & Duplex gauges are available in a wide variety of sizes and …

Class 1, Pressure Gauge 2.5" liquid filled 0-400 PSI, white. High impact resistant acrylic lens and Sub-Z freeze proof protection. Part #91523971.

Class 1 Dual Read 4.5" Fire Service Gauges display pressure reading in both PSI and KPA. The Interlube in the filled gauges, with the patented Sub-Z II freeze-proof isolator, prevents …