content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001299653</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000795403</issuerCik>
        <issuerName>WATTS WATER TECHNOLOGIES INC</issuerName>
        <secFileNumber>001-11499</secFileNumber>
        <issuerAddress>
          <com:street1>815 CHESTNUT ST</com:street1>
          <com:city>NORTH ANDOVER</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>01845</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>9786881811</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Pagano Robert J Jr</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>245 Summer Street</com:street1>
            <com:city>Boston</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>20810</noOfUnitsSold>
        <aggregateMarketValue>4474150.00</aggregateMarketValue>
        <noOfUnitsOutstanding>27380065</noOfUnitsOutstanding>
        <approxSaleDate>11/06/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/21/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>5788</amountOfSecuritiesAcquired>
        <paymentDate>03/21/2018</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>07/27/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2684</amountOfSecuritiesAcquired>
        <paymentDate>07/27/2018</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/09/2019</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>10992</amountOfSecuritiesAcquired>
        <paymentDate>02/09/2019</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/16/2019</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1346</amountOfSecuritiesAcquired>
        <paymentDate>03/16/2019</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/06/2024</noticeDate>
        <signature>/s/ Christian Nasser as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert Pagano Jr</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4406}]
text: 144
  0001299653
  XXXXXXXX
  LIVE
  0000795403
  WATTS WATER TECHNOLOGIES INC
  001-11499
  815 CHESTNUT ST
  NORTH ANDOVER
  MA
  01845
  9786881811
  Pagano Robert J Jr
  Officer
  Common
  Fidelity Brokerage Services LLC
  245 Summer Street
  Boston
  MA
  02110
  20810
  4474150.00
  27380065
  11/06/2024
  NYSE
  Common
  03/21/2018
  Stock Award
  Issuer
  N
  5788
  03/21/2018
  Compensation
  Common
  07/27/2018
  Stock Award
  Issuer
  N
  2684
  07/27/2018
  Compensation
  Common
  02/09/2019
  Stock Award
  Issuer
  N
  10992
  02/09/2019
  Compensation
  Common
  03/16/2019
  Stock Award
  Issuer
  N
  1346
  03/16/2019
  Compensation
  Y
  11/06/2024
  /s/ Christian Nasser as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert Pagano Jr