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  <xs:element id="pnr_ProceedsIssuanceOfSharesShareBasedPaymentArrangementIncludingOptionExercisedNetOfSharesWithheld" abstract="false" name="ProceedsIssuanceOfSharesShareBasedPaymentArrangementIncludingOptionExercisedNetOfSharesWithheld" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnr_LongTermDebtIncreaseToObligation" abstract="false" name="LongTermDebtIncreaseToObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnr_DebtInstrumentCovenantNumberOfTestingPeriods" abstract="false" name="DebtInstrumentCovenantNumberOfTestingPeriods" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="pnr_RestructuringandOtherCosts" abstract="false" name="RestructuringandOtherCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnr_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsNetOfTaxPerShareAbstract" abstract="true" name="BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsNetOfTaxPerShareAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="pnr_BusinessCombinationProFormaInformationAmortizationOfInventoryFairMarketValueAdjustmentOfAcquireeSinceAcquisitionDateActual" abstract="false" name="BusinessCombinationProFormaInformationAmortizationOfInventoryFairMarketValueAdjustmentOfAcquireeSinceAcquisitionDateActual" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnr_OtherCreditFacilitiesMember" abstract="true" name="OtherCreditFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnr_RestructuringCostsBySegmentTableTextBlock" abstract="false" name="RestructuringCostsBySegmentTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="pnr_WesternEuropeMember" abstract="true" name="WesternEuropeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="pnr_BusinessExitCosts" abstract="false" name="BusinessExitCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
