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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_9EA66D6F9153A5D0D575B8FE004A6461" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GoodwillRollForward_FC00EA0E29DF5ADC1E25B8FE004AE076_label_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_FC00EA0E29DF5ADC1E25B8FE004AE076" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [Roll Forward]</link:label>
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    <link:label id="lab_pnr_OtherLongTermAssets_231A03A6FA489E6D6F1CC9A7AB33036D_documentation_en-US" xlink:label="lab_pnr_OtherLongTermAssets_231A03A6FA489E6D6F1CC9A7AB33036D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other long term assets, excluding asbestos-related insurance receivables and deferred income taxes.</link:label>
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    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_DF3117D8BA0E32635275C9A7AB33627D_totalLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_DF3117D8BA0E32635275C9A7AB33627D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other non-current assets</link:label>
    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_DF3117D8BA0E32635275C9A7AB33627D_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_DF3117D8BA0E32635275C9A7AB33627D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Noncurrent</link:label>
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    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_BE1F26C6C2ED29DE06BAC9A7AB34D007_verboseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_BE1F26C6C2ED29DE06BAC9A7AB34D007" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other current liabilities</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_BE1F26C6C2ED29DE06BAC9A7AB34D007_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_BE1F26C6C2ED29DE06BAC9A7AB34D007" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current [Abstract]</link:label>
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    <link:label id="lab_us-gaap_DividendsPayableCurrent_6DAD8B9083FEF9379637C9A7AB34510B_verboseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrent_6DAD8B9083FEF9379637C9A7AB34510B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Dividends payable</link:label>
    <link:label id="lab_us-gaap_DividendsPayableCurrent_6DAD8B9083FEF9379637C9A7AB34510B_label_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrent_6DAD8B9083FEF9379637C9A7AB34510B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends Payable, Current</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedExchangeFeeRebateCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccruedExchangeFeeRebateCurrentAndNoncurrent_D00497D315D26C0A5CF8C9A7AB34A15F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_TaxesPayableCurrentAndNoncurrent_319206A34E277860A093C9A7AB34432D_label_en-US" xlink:label="lab_us-gaap_TaxesPayableCurrentAndNoncurrent_319206A34E277860A093C9A7AB34432D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Taxes Payable</link:label>
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    <link:label id="lab_us-gaap_OtherLiabilitiesCurrent_652E789F3D5FCD7009D9C9A7AB340296_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_652E789F3D5FCD7009D9C9A7AB340296" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities, Current</link:label>
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    <link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_ABD0316608A1E6C7EDCFC9A7AB346FB3_label_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_ABD0316608A1E6C7EDCFC9A7AB346FB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Accrued Liabilities, Current</link:label>
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    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrentAbstract_9858D598A4CAE1F77B2DC9A7AB3416A7_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrentAbstract_9858D598A4CAE1F77B2DC9A7AB3416A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities, Noncurrent [Abstract]</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityAxis_6AFDECC32C76073D9576CCCE98B6714D_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAxis_6AFDECC32C76073D9576CCCE98B6714D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lender Name [Axis]</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityLenderDomain_E3951F5DCFD5F45C34D6CCCE98B66A2B_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain_E3951F5DCFD5F45C34D6CCCE98B66A2B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Lender [Domain]</link:label>
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    <link:label id="lab_pnr_OtherCreditFacilitiesMember_9CAA2AAF574B29F62516CCCE98B607A8_label_en-US" xlink:label="lab_pnr_OtherCreditFacilitiesMember_9CAA2AAF574B29F62516CCCE98B607A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Credit Facilities [Member]</link:label>
    <link:label id="lab_pnr_OtherCreditFacilitiesMember_9CAA2AAF574B29F62516CCCE98B607A8_documentation_en-US" xlink:label="lab_pnr_OtherCreditFacilitiesMember_9CAA2AAF574B29F62516CCCE98B607A8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Credit Facilities [Member]</link:label>
    <link:loc xlink:href="pnr-20180630.xsd#pnr_OtherCreditFacilitiesMember" xlink:label="loc_pnr_OtherCreditFacilitiesMember_9CAA2AAF574B29F62516CCCE98B607A8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentTerm_26E52E6EDAF614BC2A87CCCE98B722A2_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTerm_26E52E6EDAF614BC2A87CCCE98B722A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt term</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentTerm_26E52E6EDAF614BC2A87CCCE98B722A2_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTerm_26E52E6EDAF614BC2A87CCCE98B722A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Term</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_3E100DAD02807F89F85FCCCE98B79041_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_3E100DAD02807F89F85FCCCE98B79041" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_3E100DAD02807F89F85FCCCE98B79041" xlink:type="locator" />
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    <link:label id="lab_pnr_LineofCreditFacilityAccordionFeatureIncreaseLimit_63A5C038EB400BCD5B4ACCCE98B7CD5D_terseLabel_en-US" xlink:label="lab_pnr_LineofCreditFacilityAccordionFeatureIncreaseLimit_63A5C038EB400BCD5B4ACCCE98B7CD5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Optional line of credit limit increase</link:label>
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    <link:loc xlink:href="pnr-20180630.xsd#pnr_LineofCreditFacilityAccordionFeatureIncreaseLimit" xlink:label="loc_pnr_LineofCreditFacilityAccordionFeatureIncreaseLimit_63A5C038EB400BCD5B4ACCCE98B7CD5D" xlink:type="locator" />
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    <link:label id="lab_pnr_DebtInstrumentCovenantUnrestrictedCash_A212DB0DD5BC5CE7CFC9CCCE98B7D7AC_terseLabel_en-US" xlink:label="lab_pnr_DebtInstrumentCovenantUnrestrictedCash_A212DB0DD5BC5CE7CFC9CCCE98B7D7AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt covenant, unrestricted cash</link:label>
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    <link:loc xlink:href="pnr-20180630.xsd#pnr_DebtInstrumentCovenantUnrestrictedCash" xlink:label="loc_pnr_DebtInstrumentCovenantUnrestrictedCash_A212DB0DD5BC5CE7CFC9CCCE98B7D7AC" xlink:type="locator" />
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    <link:label id="lab_pnr_DebtInstrumentLeverageRatioCovenant_A5262956A4D12B2B5636CCCE98B79CC7_terseLabel_en-US" xlink:label="lab_pnr_DebtInstrumentLeverageRatioCovenant_A5262956A4D12B2B5636CCCE98B79CC7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt agreement financial covenant, leverage ratio</link:label>
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    <link:label id="lab_us-gaap_LineOfCredit_D22A3ADC3EFF9B2AAFE7CCCE98B7413E_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_D22A3ADC3EFF9B2AAFE7CCCE98B7413E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility, amount outstanding</link:label>
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    <link:label id="lab_pnr_DebtInstrumentLeverageRatioCovenantPeriod_074219FE952121873683CCCE98B8C6FE_terseLabel_en-US" xlink:label="lab_pnr_DebtInstrumentLeverageRatioCovenantPeriod_074219FE952121873683CCCE98B8C6FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leverage ratio covenant period</link:label>
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    <link:loc xlink:href="pnr-20180630.xsd#pnr_DebtInstrumentLeverageRatioCovenantPeriod" xlink:label="loc_pnr_DebtInstrumentLeverageRatioCovenantPeriod_074219FE952121873683CCCE98B8C6FE" xlink:type="locator" />
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    <link:label id="lab_pnr_DebtInstrumentEBITDARatioCovenant_BD95AE9289B48740E217CCCE98B820F6_terseLabel_en-US" xlink:label="lab_pnr_DebtInstrumentEBITDARatioCovenant_BD95AE9289B48740E217CCCE98B820F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EBITDA ratio for debt</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_DCC3B6A5FA5EA905A517CCCE98B8253C_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_DCC3B6A5FA5EA905A517CCCE98B8253C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining borrowing capacity</link:label>
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    <link:label id="lab_us-gaap_AccountsAndNotesReceivableNet_B35440D2FD55FDA5F5CAA3B5931CF79E_verboseLabel_en-US" xlink:label="lab_us-gaap_AccountsAndNotesReceivableNet_B35440D2FD55FDA5F5CAA3B5931CF79E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts and notes receivable, net of allowances of $14.5 and $14.2, respectively</link:label>
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    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_00447F61986E0DC58273A3B5931D9BD8_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_00447F61986E0DC58273A3B5931D9BD8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangibles, net</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_939A5822D035A004D54DA3B5931E4C32" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccountsPayableCurrent_59BDCBAA37E9FD8E9258A3B5931FB48A_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_59BDCBAA37E9FD8E9258A3B5931FB48A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
    <link:label id="lab_us-gaap_AccountsPayableCurrent_59BDCBAA37E9FD8E9258A3B5931FB48A_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_59BDCBAA37E9FD8E9258A3B5931FB48A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_59BDCBAA37E9FD8E9258A3B5931FB48A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_AC107B4B131E10F65BAAA3B5931F8E71_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_AC107B4B131E10F65BAAA3B5931F8E71" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee-related Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_AC107B4B131E10F65BAAA3B5931F8E71" xlink:type="locator" />
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