Tank Flanged Adaptors

Our range of brass tank flanged adaptors are designed to provide a safe and secure waterproof connection to any brand of plastic tank that has a flat surface.

  • Brass  Watermark Approved tank flange adaptor with reverse thread on the nut. Brass  Watermark Approved tank flange adaptor with reverse thread on the nut.

    25mm male and 20mm female Brass tank flange adaptor (1/12" x 1 1/4")

    Our Watermark Approved brass tank flange adaptors with EPDM rubber gasket are used to provide a secure and waterproof connection to any brand of poly, steel or plastic water tank.   These adaptors (also known as a tank boss) are very well made...
    $37.30 (Inc. GST)
    $33.91 (Ex. GST)
    Add to Cart
  • Brass  Watermark Approved tank flange adaptor with reverse thread on the nut. Brass  Watermark Approved tank flange adaptor with reverse thread on the nut.

    32mm male and 25mm female Brass tank flange adaptor (1/12" x 1 1/4")

    Our Watermark Approved brass tank flange adaptors with EPDM rubber gasket are used to provide a secure and waterproof connection to any brand of poly, steel or plastic water tank.   These adaptors (also known as a tank boss) are very well made...
    $54.55 (Inc. GST)
    $49.59 (Ex. GST)
    Add to Cart
  • Brass  Watermark Approved tank flange adaptor with reverse thread on the nut. Brass  Watermark Approved tank flange adaptor with reverse thread on the nut.

    40mm male and 32mm female Brass tank flange adaptor (1/12" x 1 1/4")

    Our Watermark Approved brass tank flange adaptors with EPDM rubber gasket are used to provide a secure and waterproof connection to any brand of poly, steel or plastic water tank.   These adaptors (also known as a tank boss) are very well made...
    $63.92 (Inc. GST)
    $58.11 (Ex. GST)
    Add to Cart
  • Brass  Watermark Approved tank flange adaptor with reverse thread on the nut. Brass  Watermark Approved tank flange adaptor with reverse thread on the nut.

    50mm male and 40mm female Brass tank flange adaptor (2" x 1 1/2")

    Our Watermark Approved brass tank flange adaptors with EPDM rubber gasket are used to provide a secure and waterproof connection to any brand of poly, steel or plastic water tank.   These adaptors (also known as a tank boss) are very well made...
    $94.50 (Inc. GST)
    $85.91 (Ex. GST)
    Add to Cart