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The PRO-SOURCE 122375000 is a fixed sewer pressure washer nozzle rated to 4,200 psi, constructed from polished stainless steel for corrosion resistance in wet and chemical-laden drain-cleaning environments. The nozzle features a 4.5mm orifice diameter and a 1/8-inch female pipe thread (FPT) connection. Its fixed-style design maintains a consistent spray pattern, making it well suited for high-pressure sewer jetting applications where a dedicated, non-rotating nozzle is required. Plumbers, drain technicians, and sewer service professionals are the primary installers and operators of this component.
This nozzle is used in sewer and drain jetting systems for clearing blockages in residential and light commercial pipelines. The 1/8-inch FPT connection threads directly onto standard jetter hose fittings or lance extensions. The fixed nozzle style is commonly deployed when a stable, directional or rearward-thrust jet pattern is needed to propel the hose through drain lines or to blast debris loose from pipe walls. It is appropriate for use on compact electric and gas-powered pressure washers and dedicated sewer jetting machines that operate within the 4,200 psi pressure rating.
Designed as an OEM-style replacement or service nozzle for sewer jetting equipment and pressure washers equipped with a 1/8-inch FPT nozzle connection and capable of operating at or below 4,200 psi.
Installation and operation of sewer jetting nozzles should be performed by qualified plumbing or drain-cleaning technicians familiar with high-pressure water systems. Always depressurize the jetter hose and shut off the pressure washer before threading or unthreading any nozzle. Use appropriate thread sealant on FPT connections and verify the connection is secure before resuming operation. Never exceed the 4,200 psi maximum pressure rating of this nozzle.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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