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  • DIG 1/2 in. MPT Air Vacuum Relief Valve (Pack of 2)
  • DIG 1/2 in. MPT Air Vacuum Relief Valve (Pack of 2)
  • DIG 1/2 in. MPT Air Vacuum Relief Valve (Pack of 2)
  • DIG 1/2 in. MPT Air Vacuum Relief Valve (Pack of 2)
  • DIG 1/2 in. MPT Air Vacuum Relief Valve (Pack of 2)
  • DIG 1/2 in. MPT Air Vacuum Relief Valve (Pack of 2)

DIG 1/2 in. MPT Air Vacuum Relief Valve (Pack of 2)

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DIGs in. Air Vacuum Relief Valve with male pipe thread (Pack of 2) delivers optimum performance and increased efficiency to a drip system by preventing back-suctioning of debris into the drip line. The valve allows air to escape the drip line during the systems initial start and until the pipe or drip line is full of water. It also allows air to enter back into the drip line when the drip zone is turned off. The relieve valve helps prevent clogging in sub-surface drip irrigation systems resulting from back-suctioning of debris under vacuum conditions. Install it at the highest point of a drip line installation.