<SEC-DOCUMENT>0001140361-14-045593.txt : 20141217
<SEC-HEADER>0001140361-14-045593.hdr.sgml : 20141217
<ACCEPTANCE-DATETIME>20141217154248
ACCESSION NUMBER:		0001140361-14-045593
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20141215
FILED AS OF DATE:		20141217
DATE AS OF CHANGE:		20141217

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PENTAIR plc
		CENTRAL INDEX KEY:			0000077360
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY (NO METALWORKING MACHINERY) [3550]
		IRS NUMBER:				981050812
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 471
		STREET 2:		SHARP STREET, WALKDEN
		CITY:			MANCHESTER
		STATE:			X0
		ZIP:			M28 8BU
		BUSINESS PHONE:		763-545-1730

	MAIL ADDRESS:	
		STREET 1:		C/O PENTAIR MANAGEMENT COMPANY
		STREET 2:		5500 WAYZATA BLVD
		CITY:			GOLDEN VALLEY
		STATE:			MN
		ZIP:			55416

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PENTAIR LTD
		DATE OF NAME CHANGE:	20121003

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PENTAIR INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PENTAIR INDUSTRIES INC
		DATE OF NAME CHANGE:	19790327

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BORIN MARK C
		CENTRAL INDEX KEY:			0001430408

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11625
		FILM NUMBER:		141292429

	MAIL ADDRESS:	
		STREET 1:		5500 WAYZATA BOULEVARD
		STREET 2:		SUITE 800
		CITY:			GOLDEN VALLEY
		STATE:			MN
		ZIP:			55416
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>FORM 4
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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2014-12-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000077360</issuerCik>
        <issuerName>PENTAIR plc</issuerName>
        <issuerTradingSymbol>PNR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001430408</rptOwnerCik>
            <rptOwnerName>BORIN MARK C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5500 WAYZATA BLVD., SUITE 800</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GOLDEN VALLEY</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55416</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Acctg Office-Controller</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares - ESOP</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>361.3698</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By ESOP</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>59.84</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2014-12-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8554</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2015-12-15</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2024-12-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8554</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8554</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">End-of-period holdings include shares acquired under a dividend reinvestment plan in exempt transactions not required to be reported pursuant to Section 16(a).</footnote>
        <footnote id="F2">Employee stock option granted under the Pentair Ltd. 2012 Stock and Incentive Plan.</footnote>
        <footnote id="F3">One-third of the stock options become exercisable on the first, second, and third anniversary of the grant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ John K. Wilson, Attorney-in-Fact for Mark C. Borin</signatureName>
        <signatureDate>2014-12-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
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<TYPE>EX-24
<SEQUENCE>2
<FILENAME>borinpoa.htm
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<div style="LINE-HEIGHT: 12.55pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">POWER OF ATTORNEY</font></div>

<div style="LINE-HEIGHT: 12.55pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="LINE-HEIGHT: 12.55pt; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Know all by these presents, that, for good and valuable consideration, the sufficiency and receipt of which are hereby acknowledged, the undersigned hereby constitutes and appoints each of Angela D. Lageson, Jason K. Stokes, John K. Wilson and Carol A. Gunther, and any of their substitutes, signing singly, the undersigned&#8217;s true and lawful attorney-in-fact to:</font></div>

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<div style="TEXT-INDENT: 72pt; MARGIN-LEFT: 36pt"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">(1)</font><font id="TAB2" style="LETTER-SPACING: 9pt; COLOR: black">&#160;</font><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">execute for and on behalf of the undersigned (in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended, and the rules thereunder (the &#8220;Exchange Act&#8221;)), in the undersigned&#8217;s capacity as an officer and/or director of Pentair plc, a public limited company organized under the laws of Ireland (the &#8220;Company&#8221;), any and all Forms 3, 4 and/or 5, and any amendments thereto, that are necessary or advisable for the undersigned to file under Section 16(a) (collectively, &#8220;Documents&#8221;);</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 72pt; MARGIN-LEFT: 36pt"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">(2)</font><font id="TAB2" style="LETTER-SPACING: 9pt; COLOR: black">&#160;</font><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">do and perform any and all acts for and on behalf of the undersigned that may be necessary or desirable to complete and execute any such Documents and timely file such Documents with the United States Securities and Exchange Commission and any stock exchange or similar authority; and</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 72pt; MARGIN-LEFT: 36pt"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">(3)</font><font id="TAB2" style="LETTER-SPACING: 9pt; COLOR: black">&#160;</font><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact&#8217;s discretion.</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="LINE-HEIGHT: 12.55pt; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that each such attorney-in-fact (or such attorney-in-fact&#8217;s substitute or substitutes) shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted.&#160;&#160;The undersigned acknowledges that each attorney-in-fact, in serving in such capacity at the request of the undersigned, is not assuming, nor is such attorney-in-fact&#8217;s substitute or substitutes or the Company assuming, any of the undersigned&#8217;s responsibilities to comply with the Exchange Act.&#160;&#160;The undersigned agrees to defend and hold harmless each attorney-in-fact (and such attorney-in-fact&#8217;s substitute or substitutes) from and against any and all loss, damage or liability that such attorney-in-fact may sustain as a result of any action taken in good faith hereunder.</font></div>

<div style="LINE-HEIGHT: 12.55pt; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="LINE-HEIGHT: 12.55pt; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">This Power of Attorney revokes any power of attorney previously executed by the undersigned with respect to the foregoing subject matter.&#160;&#160;This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Documents with respect to the undersigned&#8217;s holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to each of the foregoing attorneys-in-fact.</font></div>

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<div style="LINE-HEIGHT: 12.55pt; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; FONT-WEIGHT: bold">IN WITNESS WHEREOF</font>, the undersigned has caused this Power of Attorney to be executed as of this 3<font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: text-top">rd</font> day of June, 2014.</font></div>

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<div style="LINE-HEIGHT: 12.55pt; TEXT-INDENT: 216pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; TEXT-DECORATION: underline">/s/ Mark C. Borin</font></font></div>

<div style="LINE-HEIGHT: 12.55pt; TEXT-INDENT: 216pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Mark C. Borin</font></div>

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