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Model #D331-05

Store SKU #1006135690

1-1/2 in. NPSM Twist & Close Bathtub Drain Plug, Coarse Thread, Polished Nickel

$31.54
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  • Twist to close drain allows for easy open and close operation
  • Designed for use in coarse thread drains
  • Compatible with most standard bathtub overflow, drain assemblies
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Product Details

This Westbrass, simple to use coarse thread bathtub drain plug features a twist and close mechanism to easily open and close your tub drain. NOTE: Be sure to measure to assure correct size drain shoe (Coarse or Fine). Do not use plumber's putty for installation use silicone seal. Available in a variety of stylish finishes, this item is sure to complement your existing fixtures.
  • 1-1/2 in. NPSM twist and close style bathtub drain
  • Coarse thread
  • 1-1/2 in. NPSM (1-7/8 in. to 11-1/2 in. UNC) exterior
  • Twist and lower to close and restrict draining water
  • NOTE: Be sure to measure to assure correct size drain shoe (Coarse or Fine)
  • All brass construction
  • Do not use plumber's putty for installation use silicone seal
  • Return Policy
  • California residents

Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

7Questions
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Q:Your listing couldn't be more confusing! I need threads to be 1.5 inch so which one is it?
by|May 15, 2021
1 Answer
Answer This Question

A:  None of them! 1/2" Copper pipe measures 5/8" OD. 1-1/2" Sch 40 PVC measures 1.90". The Engineer in me knows that 1-1/2" NPSM measures 1-7/8"-11.5 Meaning the inside thread of the female receiving tube is 1-7/8" diameter and it has 11.5 threads per inch. The other commonly used drain thread size is 1-1/4" NPSM (also called 1-3/8" NPSM). It measure 1-5/8" -16 which is an OD of 1-5/8" with 16 threads per inch.

by|May 17, 2021
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    Q:I don't understand why it say 1-1/2" NPSM but the thread diameter is actually 1-7/8" ?
    by|Dec 9, 2020
    1 Answer
    Answer This Question

    A:  Why does 1/2 in. Copper pipe measure 5/8 in. OD? Why is 1-1/2 in. Sch. 40 PVC measure 1.90 in. OD? Plumbers are not carpenters nor are they engineers. Even though the plumbers in the world call that size 1-1/2" NPSM coarse thread, the engineers in the world call that size 1-7/8"-11.5 UNC-2A. They are just two different ways of talking about the same thing from two different points of view.

    by|Dec 9, 2020
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      Q:Does this drain come with an overflow cap?
      by|Nov 26, 2020
      1 Answer
      Answer This Question

      A:  The overflow plate is purchased separately. We have several different styles to work with this drain depending on your drain needs. Please see D328-11, D329-11 or D980R-11.

      by|Nov 30, 2020
        caret
        Q:My tub stopped is 1-1/2 fine thread. Do you stock oil rubbed bronze finish in any brand with 1-1/2in NPSM fine thread?
        by|Apr 24, 2020
        1 Answer
        Answer This Question

        A:  If your tub stopper measures 1-7/8" - 16 thread, Westbrass does not carry that size.

        by|Apr 28, 2020
          Showing 1-4 of 7
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          Customer Reviews

          4.4 out of 5
          (10)
          • 4.4
            out of 10 reviews
          • 100%recommend this product
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          Had a plumber to put this in and it looks great. Very satisfied.
          Had a plumber to put this in and it looks great. Very satisfied.
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          • Recommended
          Worked great was exact match...
          Worked great was exact match
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          Easy Install. Looks great!
          Easy Install. Looks great!
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          • Recommended
          Rating provided by a verified purchaser...
          Rating provided by a verified purchaser
          by
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          Your description says “1 1/2 in.” My plumber says...
          Your description says “1 1/2 in.” My plumber says it is “1 7/8 in.” I will be returning them (I bought two for two bathrooms.). Unfortunately for me, my plumber gets paid whether it fits or not.
          by
          • Verified Purchase
          1 found this review helpful
          The brass color was NOT the same color as the...
          The brass color was NOT the same color as the Delta tub spout I ordered.The drain stopper part worked perfect and the installation was very smooth
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          5 Star Review
          Rating provided by a verified purchaser
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          • Verified Purchase
          I am highly satisfied with this assembly. I chose it because it is solid brass. It replaced an a...
          I am highly satisfied with this assembly. I chose it because it is solid brass. It replaced an assembly that was made of zinc and thus rotted out. Not shown in some of the photos is the included robust rubber washer that goes between the bottom of the tub and drain shoe.
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          • Recommended
          Showing 1-10 of 10 reviews

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