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  2. Backflow Parts (by manufacturer)
  3. Ames
  4. 4"
  5. M400(N or Z)
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M400(N or Z)

  • 2000CIV
  • 2000DC
  • 2000DCA
  • 2000SS/3000SS
  • 2001SS/3001SS
  • 3000CIV
  • 3000DCDA
  • 3000DCDC
  • 4000CIV
  • 4000RP
  • 4000SS/5000SS
  • 5000CIV
  • 5000RPDA
  • C200
  • C200A/C300A
  • C200N/C300N
  • C300(LF)
  • C400
  • C400(N or Z)
  • C500(LF)
  • C500(N or Z)
  • M200
  • M200A/M300A
  • M300(LF)
  • M300N(LF)
  • M400
  • M400(N or Z)
  • M500(LF)
  • M500(N or Z)
Ames 2.5-10" C400/500 & M400/500 Relief Valve Rubber Repair
7010047
$ 421.00 $ 391.53 391.53000000000003 USD
Ames 2.5-10"​ C400/500 & M400/500 Relief Valve Assembly
7010046
$ 1,483.00 $ 1,379.19 1379.19 USD
Ames 2.5-6"/Watts 2.5-4" Sleeve O-Ring
7017896
$ 11.50 $ 10.70 10.700000000000001 USD
Ames 4" M200-M500 or 6" C200-C500 2nd Check Assembly
7010005
$ 856.50 $ 796.55 796.5500000000001 USD
Ames 4" M400/M500 1st Check Assembly
7010069
$ 995.00 $ 925.35 925.35 USD
Ames 4-10"/Watts 6" Relief Valve Hose
7018892
$ 23.00 $ 21.39 21.39 USD
Ames 4-6" 1st or 2nd Check Rubber Repair
7010009
$ 107.00 $ 99.51 99.51 USD
Ames 4-6"/Watts 6" Sleeve O-Ring or Gasket (x2)
7017921x2
$ 17.00 17.0 USD
Ames/Watts 2.5-4" C400/C500/957 Sleeve Assembly
899240
$ 755.00 $ 702.15 702.15 USD
Ames/Watts ½" Outlet Shutoff Valve | OR | 2.5-4" Test Cock
2065572
$ 43.92 43.92 USD
Complete Rubber Repair
7010087
$ 605.50 $ 563.12 563.12 USD