<SEC-DOCUMENT>0000763744-16-000524.txt : 20160705
<SEC-HEADER>0000763744-16-000524.hdr.sgml : 20160705
<ACCEPTANCE-DATETIME>20160705111009
ACCESSION NUMBER:		0000763744-16-000524
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160630
FILED AS OF DATE:		20160705
DATE AS OF CHANGE:		20160705

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREW INDUSTRIES Inc
		CENTRAL INDEX KEY:			0000763744
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				133250533
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3501 COUNTY ROAD 6 EAST
		CITY:			ELKHART
		STATE:			IN
		ZIP:			46514
		BUSINESS PHONE:		5745351125

	MAIL ADDRESS:	
		STREET 1:		3501 COUNTY ROAD 6 EAST
		CITY:			ELKHART
		STATE:			IN
		ZIP:			46514

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREW INDUSTRIES INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GERO JAMES
		CENTRAL INDEX KEY:			0001213182

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13646
		FILM NUMBER:		161749225

	MAIL ADDRESS:	
		STREET 1:		C/O ORTHOFIX INTERNATIONAL
		STREET 2:		3451 PLANO PARKWAY
		CITY:			LEWISVILLE
		STATE:			TX
		ZIP:			75056
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_146773139692882.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-06-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000763744</issuerCik>
        <issuerName>DREW INDUSTRIES Inc</issuerName>
        <issuerTradingSymbol>DW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001213182</rptOwnerCik>
            <rptOwnerName>GERO JAMES</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DREW INDUSTRIES INCORPORATED</rptOwnerStreet1>
            <rptOwnerStreet2>3501 COUNTY ROAD 6 EAST</rptOwnerStreet2>
            <rptOwnerCity>ELKHART</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>46514</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Deferred Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2016-06-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>550.67</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>84.84</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2017-01-16</value>
            </exerciseDate>
            <expirationDate>
                <value>2017-01-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>551.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1281.56</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">DSUs issued at quarter end as part of director compensation.  Number of DSUs issued based on closing market price on the last day of the quarter.</footnote>
        <footnote id="F2">Includes 2.74 deferred stock units received as a result of a regular cash dividend of $0.30 per share paid on June 17, 2016 to holders of registrant's common stock on June 6, 2016. In accordance with the registrant's Equity Award and Incentive Plan, holders of deferred stock units received additional deferred stock units equivalent to $0.30 per deferred stock unit held on June 6, 2016.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Robert A. Kuhns on behalf of James F. Gero</signatureName>
        <signatureDate>2016-07-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
