BrassCraft® Copper-Flex™ WB034-12N Water Heater Connector, 3/4 in Nominal, FNPT x Male/Female C End Style, 12 in L, 125 psi Working, Corrugated Copper, Domestic

BCWB03412 MFG #: WB034-12N
  • Country of Origin: US
  • Domestic/Import: Domestic
  • End Style: FNPT x Male/Female C
  • Inside Diameter: 7/8 in
  • Length: 12 in
  • Manufacturer Name: BrassCraft Manufacturing
  • Material: Corrugated Copper
  • Nominal Size: 3/4 in
  • Outside Diameter: 7/8 in
  • Series: WB034
  • Working Pressure: 125 psi
  • Features and More


  • For use in exposed locations only to connect water heaters and other water connected devices to the water supply
  • Patented internal dielectric sleeve effectively isolates dissimilar metals within the waterway to prevent galvanic corrosion
  • No dielectric union needed, the integrated dielectric sleeve eliminates the need to install an additional dielectric union, reducing time and installation costs
  • Requires less torque to seal with a pliable Nitrile rubber washer, especially on rough nipple surfaces
  • Longer connector nuts allow a greater number of thread-to-thread contacts and a better seal
  • Engineered and tested for harsh water conditions
  • For use Indoor
  • 180 deg F intermittent temperature


  • Residential and Commercial


  • PROP65: This product can expose you to chemicals including: Diisononyl phthalate (DINP), which is known to the State of California to cause cancer and Di-isodecyl phthalate (DIDP), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to