Potter PAV/1119720 Air Valve

Protect your fire sprinkler system performance and longevity with the Potter Electric Signal, LLC PAV/1119720 automatic air vent. Designed for use as a detector accessory and base component, this air valve automatically releases trapped air during system fill and over time, reducing corrosion at the air/water interface and improving the responsiveness of vane-type waterflow detectors. Constructed of brass for durability and reliability, the PAV features a 1/2" NPT male connection so installers can safely pipe any inadvertent discharge to a drain. UL Listed for branch line fire sprinkler applications and FM Approved, this Potter air vent supports code-compliant installations and integrates cleanly with building security, monitoring, and life-safety systems. By minimizing air pockets, the PAV/1119720 helps ensure faster, more predictable waterflow signals to monitoring and alarm systems, reducing false delays and service calls. Ideal for new installs or retrofit projects where detector performance and corrosion mitigation are priorities—specify the Potter PAV/1119720 air valve for reliable system protection and contact your supplier to order.

• Automatically vents trapped air during system fill and as air migrates, improving vane-type waterflow detector response
• Reduces corrosion at the air/water interface to extend sprinkler piping life and lower maintenance needs
• UL Listed and FM Approved for reliable compliance with fire protection standards
• Durable brass construction for long-term service in wet environments
• 1/2" NPT male connection allows safe piping to drain and simple installer-friendly hookup