Mueller Streamline W 40149 is a 3" x 3" x 1-1/2" tee in wrot copper, C x C x C (C = sweat socket (takes the tube)).
A reducing tee: the first two figures are the run (3" and 3") and the last is the branch (1-1/2").
Streamline wrot copper fittings are made from UNS C12200 copper to ASME B16.22 and are certified to NSF/ANSI 61 for drinking water. They are used on potable water, hydronic heating and HVAC/R piping, joined by soldering or brazing. On potable water lines, use a lead-free solder and flux.
Specifications
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Brand: Mueller Streamline
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Manufacturer Part #: W 40149
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Size: 3" x 3" x 1-1/2"
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Type: Tee
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Connections: C x C x C
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Material: Wrot copper (UNS C12200, ASTM B75)
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Standard: ASME B16.22
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Certification: NSF/ANSI 61 Annex G
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UPC: 685768212737
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Shipping Weight: 2.024 lb
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Category: Copper Sweat Fittings
See also: all copper sweat fittings, solder and flux, tube cutters, all Mueller Streamline.