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  2. Backflow Parts (by manufacturer)
  3. Wilkins
  4. 6"
  5. 475STDA
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475STDA

  • 350
  • 350A
  • 350ADA
  • 350AST
  • 350ASTDA
  • 350DA
  • 375/375A
  • 375ADA
  • 375AST
  • 375ASTDA
  • 375DA
  • 450
  • 450DA
  • 450ST
  • 450STDA
  • 475/475V
  • 475DA
  • 475ST/STV
  • 475STDA
  • 550
  • 950
  • 950DA
  • 975
  • 975DA
1st & 2nd Check Rubber Repair
RK6-350
$ 396.00 $ 316.80 316.8 USD
1st Check Assembly
RK6-375ASTCK1
$ 1,073.00 $ 858.40 858.4 USD
1st or 2nd Check Retainer
3510ST-14B
$ 153.00 $ 122.40 122.4 USD
2nd Check Assembly
RK6-450STDACK2
$ 1,021.00 $ 816.80 816.8000000000001 USD
9" Relief Valve Sensing Hose
3710-36
$ 114.00 114.0 USD
Relief Valve Assembly
RK212-RV-ASSY
$ 950.00 $ 760.00 760.0 USD
Relief Valve Cover
RK212-RV-COVER
$ 340.00 $ 272.00 272.0 USD
Relief Valve Internal Module (Assembled)
RK212-375VT
$ 425.52 $ 340.42 340.42 USD
Relief Valve O-Ring
032N
$ 13.00 13.0 USD
Relief Valve Rubber Repair
RK212-375R
$ 133.00 $ 106.40 106.4 USD
Relief Valve Rubber Repair w/ Spring
RK212-375
$ 193.00 $ 154.40 154.4 USD