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

  • 350
  • 350A
  • 350ADA
  • 350AST
  • 350ASTDA
  • 350DA
  • 375/375A
  • 375ADA
  • 375AST
  • 375ASTDA
  • 375DA
  • 450
  • 450DA
  • 450ST
  • 450STDA
  • 475/475V
  • 475DA
  • 475ST/STV
  • 475STDA/STDAV
  • 550
  • 950
  • 950DA
  • 975
  • 975DA
1st Check Assembly
RK4-375ASTCK1
$ 746.00 $ 596.80 596.8000000000001 USD
1st or 2nd Check Retainer
3509ST-14B
$ 107.00 $ 85.60 85.60000000000001 USD
2nd Check Assembly
RK4-350ASTCK2
$ 629.00 $ 503.20 503.2 USD
2nd Check Retainer (Bag of 2)
3509ST-140x2
$ 288.00 $ 230.40 230.4 USD
Complete Rubber Repair
RK4-350
$ 208.00 $ 166.40 166.4 USD
Relief Valve Assembly
RK212-RV-ASSY
$ 879.00 $ 703.20 703.2 USD
Relief Valve Cover
RK212-RV-COVER
$ 314.00 $ 251.20 251.20000000000002 USD
Relief Valve Hose (Sensing Tube)
RK212-RV-HOSE
$ 45.09 45.09 USD
Relief Valve Internal Module (Assembled)
RK212-375VT
$ 394.00 $ 315.20 315.2 USD
Relief Valve O-Ring
032N
$ 10.59 10.59 USD
Relief Valve Pilot Tube
3709-360
$ 308.00 $ 246.40 246.4 USD
Relief Valve Rubber Repair
RK212-375R
$ 123.00 $ 98.40 98.4 USD
Relief Valve Rubber Repair w/ Spring
RK212-375
$ 178.00 $ 142.40 142.4 USD
Relief Valve Seat
3707-18
$ 32.00 $ 25.60 25.6 USD
Relief Valve Spring
3707-33A
$ 117.00 $ 93.60 93.60000000000001 USD