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  2. Backflow Parts (by manufacturer)
  3. Wilkins
  4. 8"
  5. 375AST
(Do not Assign) - Website List Price
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375AST

  • 350
  • 350A
  • 350ADA
  • 350AST
  • 350ASTDA
  • 350DA
  • 375/375A
  • 375ADA
  • 375DA
  • 375AST
  • 375ASTDA
  • 450
  • 450DA
  • 450ST
  • 450STDA
  • 475/475V
  • 475ST/STV
  • 475TDA/STDAV
  • 950
  • 950DA
  • 975
  • 975DA
1st & 2nd Check Rubber Repair
RK8-350
$ 406.00 $ 324.80 324.8 USD
1st Check Assembly
RK8-375ASTCK1
$ 2,291.00 $ 1,832.80 1832.8 USD
2nd Check Assembly
RK8-350ASTCK2
$ 1,901.00 $ 1,520.80 1520.8 USD
Check Seat O-Ring
142N
$ 13.03 13.030000000000001 USD
Relief Valve Assembly 
RK8-RV-ASSY
$ 1,515.00 $ 1,212.00 1212.0 USD
Relief Valve Cover
RK8-RV-COVER
$ 690.00 $ 552.00 552.0 USD
Relief Valve Internal Module (Assembled)
RK8-375VT
$ 711.00 $ 568.80 568.8000000000001 USD
Relief Valve Rubber Repair
RK8-375R
$ 137.00 $ 109.60 109.60000000000001 USD
Relief Valve Rubber Repair w/ Spring
RK8-375
$ 446.00 $ 356.80 356.8 USD
Relief Valve Sensing Hose
3710-36
$ 104.23 104.23 USD
Relief Valve Spring
3711A-33
$ 204.00 $ 163.20 163.20000000000002 USD
Seat Retainer Nut
3511-9
$ 18.00 $ 14.40 14.4 USD