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The VALUE COLLECTION 115AL25015 is a liquid-filled analog pressure gauge designed for accurate, low-range pressure monitoring in plumbing, HVAC, and light industrial applications. It features a 2.5-inch dial with a 0 to 15 psi range and a bronze Bourdon tube paired with brass wetted parts for reliable performance in water and fluid systems. The stainless steel case offers corrosion resistance in wet or humid environments. Glycerine or water fill dampens needle vibration and protects internal components. Accuracy is rated at plus or minus 3-2-3 percent of scale. A licensed plumber or HVAC technician typically specifies and installs this gauge for system pressure verification and monitoring.
This gauge is suited for residential and light commercial applications where low-pressure measurement is required, such as domestic water supply lines, boiler systems, pump discharge points, and low-pressure pneumatic circuits. The lower-mount, 0.25-inch NPT connection allows direct inline installation on pipes, manifolds, and pressure taps. The liquid-filled design makes it a practical choice in environments with vibration or pulsation that would otherwise destabilize gauge readings.
Designed as an OEM-style replacement or drop-in addition for low-pressure monitoring points on residential and light commercial water, boiler, and HVAC systems using standard 0.25-inch NPT lower-mount gauge ports.
Installation is typically performed by a licensed plumber or HVAC technician. Depressurize and isolate the system before removing or installing any pressure gauge. Apply thread sealant or PTFE tape to the NPT threads - do not overtighten, as brass fittings can crack. Verify the system pressure range does not exceed the 15 psi maximum rating of this gauge before placing it in service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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