1. Products
  2. Backflow Parts (by manufacturer)
  3. Deringer
  4. 4"
  5. Model 30
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Model 30

  • Model 20
  • Model 20G
  • Model 20GX
  • Model 20X
  • Model 30
  • Model 30G
  • Model 30GX
  • Model 30X
  • Model 40
  • Model 40G
  • Model 50
  • Model 50G
Deringer 2-4" 1st Check Assembly
BD-4100
$ 569.00 569.0 USD
Deringer 2-4" 2nd Check Assembly
BD-4200
$ 569.00 569.0 USD
Deringer 2-4" Both Check Valve Rubber Repair
BFD-1140
$ 248.00 248.0 USD
Deringer 2-4" Replacement Gear Box w/Tamper
RT-0001
$ 462.00 462.0 USD
Deringer 2-4" Test Cock
TC-MF-5050
$ 52.00 52.0 USD
Deringer 2½–8" Bypass Single Check Assembly
CV-5000
$ 230.00 230.0 USD
Deringer 2½–8" Bypass Single Check Repair Kit
BFD-1010
$ 70.00 70.0 USD
Deringer 4" Shutoff Valve Rebuild Kit
BFD-1040
$ 391.00 391.0 USD