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Many plumbers are puzzled when jetter pressure drops from 4350psi to 2000psi, even though the pump and engine seem fine. The real reason is usually sewer nozzle wear. As water and debris erode the nozzle holes, they enlarge and cause the jet to scatter, reducing pressure and cleaning efficiency. If your nozzle has a replaceable insert, simply changing it can restore performance. If it is a disposable nozzle, a full replacement is required. Understanding this overlooked issue saves time, reduces costs, and keeps your high pressure jetting machine running at peak performance.

AMJET celebrates Qixi Festival with employee gifts, heartfelt appreciation, and commitment to innovation. Our team’s dedication drives the creation of advanced jetting machines and strong customer relationships built on trust and care.

Learn how to use a drain cleaning machine with AMJET’s step-by-step guide. Discover cable and jet sewer machine methods, safety protocols, nozzle choices, and pro tips for clearing residential and commercial sewer lines effectively while maintaining pipe integrity. Perfect for homeowners and professionals.

The Amjet DWS3060 is a high pressure sewer jetting machine with LED status lighting, smart controls, and dual jetting modes. Compact for vehicle mounting, it delivers powerful, reliable sewer and drain cleaning performance for municipalities, contractors, and industrial applications.

DS15128 drain cleaner machine with 190HP Mitsubishi engine offers 4 modes for flexible use in municipal, commercial, and residential pipelines—ideal water jet and sewer drain cleaning machine.

The Amjet Titan 15128 is a professional-grade commercial drain cleaner machine engineered to meet the demands of modern sewer maintenance operations. With intelligent LED status indication, a digital control panel, and multi-mode pressure adjustment, the Titan 15128 offers both performance and precision. Its compact size allows for truck mounting, while the 400-liter water tank supports extended use. Equipped with triple electric hose reels in various diameters, it can handle diverse pipe sizes and blockage types efficiently. This sewer jetting machine is suitable for municipal sewer line flushing, commercial pipe maintenance, residential drain cleaning, and industrial sewer system clearing. 

Selecting the right drain cleaning machine is critical for maintaining clean and efficient sewer and drainage systems. In this guide, we explore how to evaluate water pressure and flow rate when choosing sewer cleaning equipment, and how these factors affect the performance of different jetters. Whether you're dealing with commercial facilities, municipal pipelines, or residential systems, understanding how PSI/BAR and GPM/LPM work together will help you select the best drain cleaning machine. AMJET offers a wide range of reliable and high-performance commercial drain cleaner machines, including the Warrior 3040, Warrior 1865, Titan 3060, and Titan 15128. Learn which model suits your needs based on pipe size, blockage type, and cleaning tasks.

Learn how a drain cleaning machine works using high-pressure water jets. Discover its components, working process, and why it's ideal for industrial and municipal pipe cleaning.

A professional plumber flew 21 hours to test our sewer jet machine lineup — including top-rated sewer and drain cleaning machines for pipes from 3” to 22”. See why he chose us.