Mueller Streamline W 01387 is a 4" x 3" fitting reducer in wrot copper, FTG x C (FTG = fitting-size end (slides into another fitting's socket), C = sweat socket (takes the tube)).
A reducer steps the line down from the larger size to the smaller one.
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 01387
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Size: 4" x 3"
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Type: Fitting Reducer
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Connections: FTG 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: 685768207535
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Shipping Weight: 1.86 lb
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Category: Copper Sweat Fittings
See also: all copper sweat fittings, solder and flux, tube cutters, all Mueller Streamline.