An on-surface dripline flush point detail sets within a subterranean emitter box over a three-inch minimum depth of three-quarter-inch washed gravel beneath finish grade. A PVC schedule 40 tee or elbow connects to a PVC exhaust header, linking via a barb by male fitting to half-inch polyethylene blank tubing. The dripline extends through an easy fit coupling and terminates with a flush cap for easy fit compression fittings. A minimum of six inches of dripline tubing is left inside the valve box to direct flushed water outside the box.
MULCH FLUSH CAP FOR EASY FIT COMPRESSION FITTINGS: POTABLE:RAIN BIRD MDCFCAP EASY FIT COUPLING: RAIN BIRD MDCFCOUP SUBTERRANEAN EMITTER BOX: RAIN BIRD SEB 7XB 12 " POLYETHYLENE TUBING: RAIN BIRD XF BLANK TUBING FINISH GRADE PVC EXHAUST HEADER PVC SCH 40 TEE OR EL BARB X MALE FITTING: RAIN BIRD XFF-MA FITTING (TYPICAL) ON-SURFACE DRIPLINE: RAIN BIRD XF SERIES DRIPLINE POTABLE: XFCV DRIPLINE 3-INCH MINIMUM DEPTH OF 3/4 " WASHED GRAVEL NOTE: 1. ALLOW A MINIMUM OF 6-INCHES OF DRIPLINE TUBING IN VALVE BOX IN ORDER TO DIRECT FLUSHED WATER OUTSIDE VALVE BOX.
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