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Ashcroft 3-1/2″ Fire Sprinkler Gauge – 0/80 PSI

$48.77 on Amazon.com (as of October 18, 2026, 11:22 AM EST) View details ↗

The Ashcroft 35W1005PH02LXUL100 is a durable, precision-engineered fire protection service gauge designed for reliable pressure monitoring in commercial and industrial sprinkler systems. With a 3-1/2″ dial diameter and a rugged ABS case, it provides clear, easy-to-read pressure readings while withstanding harsh environments. The gauge features a 0–80 PSI range with a 250 PSI retard mechanism, ensuring accurate monitoring even under high-pressure surges—critical for fire safety compliance.

Constructed with a brass socket for corrosion resistance and a 1/4″ NPT lower connection, this gauge integrates seamlessly into existing sprinkler systems. Its robust build and precise calibration make it ideal for facilities prioritizing safety and performance. Compatible with standard fire protection setups, it delivers dependable service where it matters most.

Dial Size3-1/2″
Pressure Range0–80 PSI with 250 PSI retard
Connection Type1/4″ NPT (Lower)
Socket MaterialBrass
Case MaterialABS
Model Number35W1005PH02LXUL100
Can this gauge handle pressure spikes beyond 80 PSI?
Yes, the gauge includes a 250 PSI retard mechanism to protect against temporary pressure surges while maintaining accurate readings within the 0–80 PSI range.
Is the brass socket compatible with all standard sprinkler systems?
The 1/4″ NPT lower connection ensures compatibility with most commercial/industrial sprinkler setups, but verify thread alignment with your specific system.
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