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American Standard Curtin #50 Flush Valve Parts

The American Standard Curtin #50 is a reliable flush valve system commonly used in commercial toilets and urinals. Over time, individual components may wear or fail—but you don’t need to replace the entire unit. At Chicago Faucet Shoppe, we carry the complete list of OEM Curtin #50 replacement parts to restore performance and prevent costly downtime.

Browse original parts including:

  • Upper and Lower Lift Rods (1-50, 2-50)
  • Float Rods and Floats (4-50, 6-50)
  • Coupling Nuts, Plungers, and Seat Washers
  • Cylinder & Cage Assembly (16-50)
  • Flanged Base and Rubber Gasket (13-50, 14-50)
  • Brass Bolts, Nuts, and full repair kits

All parts are genuine American Standard replacements and can be ordered individually or in sets. If you need to replace the entire unit, shop the complete Curtin #50 valve here.

Need help identifying the right part number? Call us at (800) 969-8625 or send us a photo—we’ll match the part for you.

  • American Standard Curtin #50 - 10-50 Seat Washer

    sku: CUR-10-50

    Curtin 10-50 Leather Washer

    MSRP: $3.30
    OUR PRICE: $3.14
    Add to Cart The item has been added
  • American Standard Curtin #50 - 11-50 Check Washer

    sku: CUR-11-50

    Curtin 11-50 Check Washer

    MSRP: $1.00
    OUR PRICE: $0.95
    Add to Cart The item has been added
  • American Standard Curtin #50 - 14-50 Rubber Gasket

    sku: CUR-14-50

    Curtin 14-50 Gasket

    MSRP: $6.70
    OUR PRICE: $6.37
    Add to Cart The item has been added
  • American Standard Curtin 15-50 Brass Bolt and Nut Kit

    sku: CUR-15-50

    Curtin 15-50 Nut & Bolt Set (3)

    MSRP: $7.90
    OUR PRICE: $7.51
    Add to Cart The item has been added
  • American Standard Curtin #50 - 6-50 Replacement Float

    sku: CUR-6-50

    Curtin 6-50 Float

    MSRP: $3.86
    OUR PRICE: $3.67
    Add to Cart The item has been added
  • American Standard Curtin Valve #50 - 2-50 Lower Lift Wire Assembly

    sku: CUR-2-50

    Curtin 2-50 Lower Wire

    MSRP: $0.87
    OUR PRICE: $0.83
    Add to Cart The item has been added
  • American Standard Curtin #50 - 16-50 Cylinder and Cage Assembly

    sku: CUR-16-50

    Curtin 16-50 Cage & Cylinder

    MSRP: $84.00
    OUR PRICE: $79.80
    Add to Cart The item has been added
  • American Standard Curtin #50 - 12-50 Plunger Nut

    sku: CUR-12-50

    Curtin 12-50 Plunger Nut

    MSRP: $1.50
    OUR PRICE: $1.43
    Add to Cart The item has been added
  • American Standard Curtin Valve - 1-50 Upper Lift Rod Wire

    sku: CUR-1-50

    Curtin 1-50 Upper Wire

    MSRP: $0.87
    OUR PRICE: $0.83
    Add to Cart The item has been added
  • American Standard Curtin #50 - 4-50 Float Rod

    sku: CUR-4-50

    Curtin 4-50 Float Rod

    MSRP: $0.66
    OUR PRICE: $0.63
    Add to Cart The item has been added
  • American Standard Curtin #50 - 3-50 Coupling Nut for Lower Lift Wire

    sku: CUR-3-50

    Curtin 3-50 Cplg Nut

    MSRP: $1.33
    OUR PRICE: $1.26
    Add to Cart The item has been added
  • American Standard Curtin #50 - 13-50 Flanged Base

    sku: CUR-13-50

    Curtin 13-50 Flanged Base

    MSRP: $25.00
    OUR PRICE: $23.75
  • American Standard Curtin #50 - 7-50 Plunger Assembly

    sku: CUR-7-50

    Curtin 7-50 Plunger

    MSRP: $17.00
    OUR PRICE: $16.15
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