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TYPE OF CONNECTION <br /> <br />TYPE OF DEVICE TO BE USED <br /> <br />(2~ Low iD_let to recep- <br /> tacles containing <br /> toxic substances <br />(3) Low inlet to recep- <br /> tacles containing <br /> nontoxic substances <br />(4) Low inlet into domes- <br /> tic water tanks <br />(5) Latin sprinkler <br /> systems <br />(6) Coils or jackets used <br /> as heat exchanges in <br /> compressors, degreas- <br /> -ers or other equipment: <br /> a. In toxic substances <br /> <br />1 2 3 4 5 <br /> <br />Air <br />gap <br /> <br /> X <br /> <br /> X <br /> <br />X <br /> <br /> Double <br />Nonpressure Pressure check <br /> vacuum vacuum valve <br /> breaker ' breaker <br /> <br />X X <br /> <br /> Reduced <br />pressure <br />backftow <br />prevention <br /> <br />X <br /> <br />NO PROTECTION REQUIRED <br /> <br />X X X <br /> <br />X <br /> <br />TYPE OF CONNECTION <br /> <br />TYPE OF DEVICE TO BE USED <br /> <br /> b. In nontoxic <br /> substances <br />(7) Flush valve toilets <br />(8) Toilet and urinal tanks <br />(9) Trough urinals <br />(10) Valved outlets or fix- <br /> tures with hose attach- <br /> ments wh'ich may con- <br /> stitute a cross- <br /> connection: <br /> a. Toxic substances <br />-. b. Nontoxic substances <br /> <br /> Double Reduced <br />Air Nonpressure Pressure check pressure <br />gap vacuum vacuu~ valve backflow <br /> br'e:ak'e~ ''' br'e'ak'e'r'':~s's%mbly preventi[ <br /> <br />X <br /> <br />X <br /> <br />X <br /> <br />X <br /> <br />NO PROTECTION REQUIRED <br /> <br />X X X <br /> <br />~X <br /> <br />X <br /> <br /> <br />