Duct Rods & Sewer Sondes – push rods, sondes & accessories

Push rods position the sonde at the target point; the sonde emits a locating signal that a surface receiver tracks with depth readout. Choose rods with suitable diameter/bend radius and sondes with the right frequency for your network.

  • Push/traceable rods: durable rods with connection options for tight bends and long runs
  • Sonde frequencies: common 512 Hz for sewer/non-metallic lines; alternate bands for specific environments
  • Adapters & springs: M-thread (e.g. M8/M10) for flexible, shock-absorbing coupling
  • Power & spares: batteries and accessories to keep kits field-ready

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Replacement duct rod Ø 9 mm / 80 running meters, black
Replacement duct rod Ø 9 mm with integrated copper strand; M12 threaded start and end ferrules; tensile strength 340 kg; bending radius 620 mm; push rod length 80 m; weight 7.5 kg.
 
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Starting head with rollers 7.5mm–11mm (M12)
Starting head with rollers for 7.5mm–11mm for insertion into pipes. Screws onto the starting sleeve of fibreglass rods, M12 thread.
 
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Replacement duct rod Ø 9 mm / 120 running meters, black
With integrated copper strand; M12 threaded start and end ferrules; tensile strength 340 kg; bending radius 620 mm; push rod length 120 m; weight 11.3 kg.
 
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Connection M12 to M10 for COBRA
Threaded connection M12 to M10 to adapt COBRA fibreglass rods (7.5 mm–11 mm) to probes such as S13, S18, standard probe, ultra probe, and super probe.
 
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41 to 60 (from a total of 75)

Selection guide

  • Task: Route tracing, blockage pinpointing, verifying branches/service laterals.
  • Rod & length: Match rod diameter/length to pipe size, bend radius and distance.
  • Frequency plan: Use 512 Hz as a sewer standard; switch bands if interference occurs.
  • Interfaces: Choose M-thread adapters (e.g. M8/M10) to fit your sonde and reel.

Field tip

Cross-check the route and confirm depth on the receiver. If signals are noisy, change frequency or adjust the coupling point.