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FAQs
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K-1500B: 76-200mm (3-8")
K9-204+ FlexShaft®: 50-100mm (2-4")
K9-102+ FlexShaft®: 32-50mm (1-1/4-2") -
The K-1500B is best for roots, while our FlexShaft® drain cleaners are better suited to clearing softer blockages.
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Drum machines are designed for general-purpose, high-torque drain clearing.
Sectional machines are best for heavy-duty, aggressive cutting.
FlexShaft® offers fast, clean, wall-to-wall cleaning. -
For heavy tree root blockages, use the K-1500B with the C-shape cutter. For softer blockages, use the FlexShaft® machines with the chain knockers for wall-to-wall cleaning.
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RIDGID drain cleaners are more portable and easier to carry around on site. Jetters can be great for clearing easy blockages, but they require multiple passes and camera equipment to be certain the blockage is properly cleared. The RIDGID FlexShaft® machines and K-1500B sectional machines use chain knockers and cutters to ensure a fully cleaned pipe.
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Common sizes for K-1500B drain tools are 65mm (2-1/2"), 75mm (3"), 110mm (4"), and 127mm (5").
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There's a range of cable tools for different drain cleaning purposes. A sharktooth cutter aggressively scrapes and cleans general material, sludge and debris clinging to the interior of the drain. A sawtooth cutter is used in drains primarily blocked by tree roots. A spade cutter is used for soft build-up like grease or detergent residue.
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Yes. A 32mm (1-1/4") cable is the most common size for a RIDGID K-1500B, suitable for 50 to 200mm (2 to 8") drains. An optional 22mm (7/8") cable is available for 50-100mm (2-4") drains; however, the standard clutch jaw set must be replaced with a matching 22mm (7/8") clutch jaw set so the clutch can properly grip and spin the smaller diameter cable.
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Both the 32mm (1-1/4") and 22mm (7/8") cables come in 4.6m (15 ft) lengths, connected using a male and female end. A spring-loaded plunger pin locks the two ends together, and a cable pin key is used to disconnect them.
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The K-1500B. Its cable stays flexible throughout the job, so it navigates bends in the pipe with ease. A jetter's hose, by contrast, becomes very inflexible once it's pressurised to 5000psi, making tight bends harder to negotiate.
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A mechanical drain cleaner with a rotating cutting head cleans the pipe right to the wall. A jetter, by contrast, punches a hole through the middle of the blockage and won't necessarily clear it right to the edges, which can result in a blocked drain again in the near future.
A mechanical drain cleaner is also more portable than a water jetter and can be carried or wheeled into the house with no chance of backflow. If a mistake is made with a jetter inside a building (a major blockage or backflow), there's potential for a large mess and building damage.
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Yes. The rear guide hose must be used to prevent the cable whipping, tangling or kinking during use, which could cause operator injury.
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Always feed and retrieve the cable from the front of the machine into the drain, never letting excess sections spool backward out of control.
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A RIDGID FlexShaft machine cleans the pipe wall-to-wall instead of simply punching a hole through the middle, using expanding chain knockers that scour the entire pipe. A RIDGID drain inspection camera can be used inside the pipe while actively cleaning, to watch and verify the obstruction is removed. The cable is fully enclosed inside a durable nylon sheath and housing drum, which keeps grease and dirty spray contained for clean operation and packing away.


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