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  2. Backflow Parts (by manufacturer)
  3. Wilkins
  4. 6"
  5. 375AST
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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
  • 550
  • 950
  • 950DA
  • 975
  • 975DA
Wilkins 2.5-6" 375 Relief Valve Pilot Tube
3709-360
$ 333.00 $ 266.40 266.4 USD
Wilkins 2.5-6" 375/475 Relief Valve Rubber Repair
RK212-375R
$ 133.00 $ 106.40 106.4 USD
Wilkins 2.5-6" 375/475 Relief Valve Assembly
RK212-RV-ASSY
$ 950.00 $ 760.00 760.0 USD
Wilkins 2.5-6" 375/475 Relief Valve Cover
RK212-RV-COVER
$ 340.00 $ 272.00 272.0 USD
Wilkins 2.5-6" 375/475 Relief Valve Hose (Sensing Line)
RK212-RV-HOSE
$ 49.00 49.0 USD
Wilkins 2.5-6" 375/475 Relief Valve Internal Module (Assembled)
RK212-375VT
$ 425.52 $ 340.42 340.42 USD
Wilkins 2.5-6" 375/475 Relief Valve Rubber Repair w/ Spring
RK212-375
$ 193.00 $ 154.40 154.4 USD
Wilkins 2.5-6" 375/475 Relief Valve Seat
3707-18
$ 35.00 $ 28.00 28.0 USD
Wilkins 2.5-6" 375/475 Relief Valve Spring
3707-33A
$ 127.00 $ 101.60 101.60000000000001 USD
Wilkins 2.5-6" RV O-Ring
032N
$ 13.00 13.0 USD
Wilkins 6" 350/375/450/475 1st & 2nd Check Rubber Repair
RK6-350
$ 396.00 $ 316.80 316.8 USD
Wilkins 6" 350AST/375AST 2nd Check Assembly
RK6-350ASTCK2
$ 906.00 $ 724.80 724.8000000000001 USD
Wilkins 6" 350AST/375AST 2nd Check Retainer (x2)
3510ST-140x2
$ 340.20 $ 272.16 272.16 USD
Wilkins 6" 350AST/375AST/450AST/475ST 1st or 2nd Check Retainer
3510ST-14B
$ 153.00 $ 122.40 122.4 USD
Wilkins 6" 375AST/475ST 1st Check Assembly
RK6-375ASTCK1
$ 1,073.00 $ 858.40 858.4 USD