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Air Relief Valves

Automatic Drains are used to help protect your sprinkler system from freeze damage. Pop-up drainage emitters divert and release water away from structures, and poor drainage areas.

Designed to prevent clogging of below grade drip irrigation systems. It also helps prevent infiltration of toxic substances into the drip system.

Sprinkler Warehouse has all of the essential drip irrigation parts you need to do the job right.

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18-028 - Air Relief Valve
DIG 18-028 1/2 in. MPT Air Vacuum Relief Valve
  • 140 PSI maximum operating pressure
  • Prevents clogging and back-siphoning in 1/2" and 3/4" distribution tubing (only flushes line it's connected to; other branches require their own air relief valve)
  • Requires barb to 1/2 " FPT adapter fitting (not included)
  • For use with systems using 6.5 GPM or less

Our Price: $4.62
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