<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="abcb-glossentry" ?><abcb-glossentry id="_1557cbf1-ca47-4181-b6c6-49b694d0392c" outputclass="abcb-glossentry"><glossterm id="_de87dc68-e445-454d-9a2a-bbf98891ca2b">Backpressure</glossterm><glossdef outputclass="glossdef"><p>A reversal of water flow caused by the downstream pressure becoming greater than the supply pressure.</p></glossdef></abcb-glossentry>