<SEC-DOCUMENT>0000899140-18-000197-index.html : 20180214
<SEC-HEADER>0000899140-18-000197.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180214130302
ACCESSION NUMBER:		0000899140-18-000197
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180214
GROUP MEMBERS:		GEORGE S. LOENING

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WATTS WATER TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0000795403
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS FABRICATED METAL PRODUCTS [3490]
		IRS NUMBER:				042916536
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-38025
		FILM NUMBER:		18610163

	BUSINESS ADDRESS:	
		STREET 1:		815 CHESTNUT ST
		CITY:			NORTH ANDOVER
		STATE:			MA
		ZIP:			01845
		BUSINESS PHONE:		9786881811

	MAIL ADDRESS:	
		STREET 1:		815 CHESTNUT STREET
		CITY:			NORTH ANDOVER
		STATE:			MA
		ZIP:			01845

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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Select Equity Group, L.P.
		CENTRAL INDEX KEY:			0001592643
		IRS NUMBER:				463465710
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		380 LAFAYETTE STREET
		STREET 2:		6TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
		BUSINESS PHONE:		212 475-8335

	MAIL ADDRESS:	
		STREET 1:		380 LAFAYETTE STREET
		STREET 2:		6TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>w23534556a.htm
<DESCRIPTION>AMENDMENT NO. 2
<TEXT>
Document 1 - file: w23534556a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>w23534556b.htm
<DESCRIPTION>IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY
<TEXT>
Document 2 - file: w23534556b.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image0.jpg
<TEXT>
Document 3 - file: image0.jpg

</DOCUMENT>
</SEC-DOCUMENT>