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  <xs:element id="pnr_OtherDevelopedCountriesMember" abstract="true" name="OtherDevelopedCountriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="pnr_OtherSecuritiesMember" abstract="true" name="OtherSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="pnr_StockholdersEquityNoteDisclosureLineItems" abstract="true" name="StockholdersEquityNoteDisclosureLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="pnr_BuildingsAndLeaseholdImprovementsMember" abstract="true" name="BuildingsAndLeaseholdImprovementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="pnr_StockholdersEquityNoteDisclosureTable" abstract="true" name="StockholdersEquityNoteDisclosureTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="pnr_RevenuesPercent" abstract="false" name="RevenuesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="pnr_GrantDateOfTwoThousandSeventeenMember" abstract="true" name="GrantDateOfTwoThousandSeventeenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="pnr_ContractWithCustomerAssetIncreaseDecreasePercentAbstract" abstract="true" name="ContractWithCustomerAssetIncreaseDecreasePercentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="pnr_DefinedBenefitPlanExpectedFutureBenefitPaymentsAfterYearFive" abstract="false" name="DefinedBenefitPlanExpectedFutureBenefitPaymentsAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnr_ContractwithCustomerLiabilityRevenueRecognizedPercent" abstract="false" name="ContractwithCustomerLiabilityRevenueRecognizedPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="pnr_ScheduleOfMaturitiesOfDebtDisclosureTableTextBlock" abstract="false" name="ScheduleOfMaturitiesOfDebtDisclosureTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="pnr_TermLoansMember" abstract="true" name="TermLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="pnr_TenderOffer" abstract="false" name="TenderOffer" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnr_SalariedPlanMember" abstract="true" name="SalariedPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="pnr_ResidentialSectorMember" abstract="true" name="ResidentialSectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="pnr_ComputationOfEarningsPerShareLineItems" abstract="true" name="ComputationOfEarningsPerShareLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="pnr_May2018ShareRepurchaseProgramMember" abstract="true" name="May2018ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="pnr_ContractWithCustomerAssetLiabilityNet" abstract="false" name="ContractWithCustomerAssetLiabilityNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="pnr_IndustrialFlowTechnologiesMember" abstract="true" name="IndustrialFlowTechnologiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
</xs:schema>
