Series 909 air gaps for RPZ backflow preventers provide the unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel.
We would recommend an 909-AGC air gap (part 0881376) with a 3/4" 009.
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Q: What are the sizes of the two ends (the end that attaches to the backflow device and the threaded end)?
Asked by 15 years ago
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Verified Reply- PexSupply Staff
The threaded size is 1/2" and the end that attaches to the backflow device is 1".
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