• Remains open to discharge air from a system without closing prematurely. Will function under air pressures up to 8 psi.

• Closes and remain drip-tight when water enters the system, even with water pressures as low as 1.5 psi • One piece float and seal assembly allows easy, simple servicing

• Threaded outlet to vent water away from distribution piping

• Lightweight, durable and compact; suitable for both metal and plastic pipes & treatment components.