Philmac Air Release Valves Model:PHILMAC 1" (25MM) POLY AIR RELEASE VALVE Netafim Techline AS-XR has been

Netafim Techline AS-XR has been designed and manufactured by incorporating Copper Oxide in the mould of the diaphragm cover to be used as a chemical-free root intrusion barrier

PVC swing check valves are a one-way valve mainly used in pool pump applications

Blue - 040 Mesh - 400 Microns

such as a 12v battery or can be purchased with a battery controller as an Aqua Pro

Winged inlet nut provides leverage for easy tightening

Philmac Air Release Valves Model:PHILMAC 1" (25MM) POLY AIR RELEASE VALVE Netafim Techline AS-XR has beenPhilmac 1" Poly Air Release Valve to release air from a pipe. When the pressure inside the pipe drops and water is no longer being pumped through the pipe the plunger inside the valve will drop and allow air into the pipe. This can be useful to stop pipes from collapsing where water is draining out of a sprinkler at a low point in the system and no other provision is made to allow air into the system. On start up the system needs to expel air from the