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RIDGID Drain Cleaning covers four different machine types: drum machines, sink machines, FlexShaft machines, and water jetters, so the right choice depends on pipe size and the kind of clog, not one universal tool. J.M. McKinney Co carries the full lineup, including the RIDGID FlexShaft drain cleaner line for cleaning grease-heavy commercial pipe.
The RIDGID FlexShaft line, the K9-102+, K9-204+, and K9-306, uses an enclosed cable system with chain knockers that scrub the full pipe wall instead of just punching through a clog. That makes it the right choice for grease-heavy commercial kitchen lines and other jobs where a standard cable machine clears a path but leaves the walls coated and ready to reclog. Each model covers a different pipe range, from the K9-102+ at 1-1/4″ to 2″ up through the K9-306 at 3″ to 6″, so the pipe diameter on the job determines which FlexShaft model fits. All three models support simultaneous camera use, so a technician can inspect the pipe wall while the chain knockers are still working instead of running a separate pass afterward.
The K-400, K-750, K-3800, and K-7500 drum machines handle general cable-based drain cleaning across a wide range of cable sizes and drum capacities. The K-400 and K-3800 are built compact for indoor and residential lateral work, the K-750 covers standard commercial lateral lines, and the K-7500 steps up to the largest cable capacity in the lineup for heavy-duty municipal and commercial service. These are the general-purpose workhorses of the lineup, suited to routine clogs that don’t need the wall-scrubbing action a FlexShaft machine provides.
The K-45, K-45AF, and the cordless K-46 SinkSnake handle smaller 1-1/4″ to 3″ lines: sinks, tubs, and lavatories. These are the machines most service trucks carry for daily residential and light commercial calls, where a full-size drum machine would be more than the job needs. The K-46 SinkSnake runs cordless on an 18V battery, useful for calls where running a cord isn’t practical.
The KJ-1350, KJ-1750, KJ-2200, and KJ-3100 use pressurized water instead of a cable, scouring the full pipe wall for grease and scale removal. See the Hydro Jetters category for the full jetter lineup, including other brands.
A sink machine handles routine small-line clogs. A drum machine steps up for general lateral line work. A FlexShaft machine is the right call specifically when grease buildup or root intrusion means the pipe wall itself needs scrubbing, not just a path punched through. A jetter goes a step further for the heaviest grease buildup or municipal-scale lines. Many crews carry more than one type, since the right tool depends on what’s actually wrong with the line, not just its size.
A FlexShaft machine uses an enclosed cable with chain knockers that scrub the full pipe wall as it cleans, rather than just clearing a path through a clog like a standard cable machine.
The K9-102+ covers 1-1/4″ to 2″ pipe, the K9-204+ covers 2″ to 4″ pipe, and the K9-306 covers 3″ to 6″ pipe. Match the model to the pipe diameter on the job.
When grease buildup or root intrusion means the pipe wall needs scrubbing, not just a path cleared. A drum machine is better suited to routine clogs that don’t require wall-scrubbing action.
Yes. All three FlexShaft models support simultaneous camera use, so the pipe wall can be inspected while the chain knockers are still working.
Yes. The K9-102+, K9-204+, and K9-306 are all in stock, alongside the RIDGID drum machine, sink machine, and water jetter lines.
Browse RIDGID Wrenches, RIDGID Pressing Tools, and Hydro Jetters for the rest of the RIDGID lineup. Order genuine RIDGID drain cleaning equipment from J.M. McKinney Co. with in-stock availability and fast shipping.
