Surprising Longevity: Sump Pump Tested to 1M Cycles for 3-Year Warranty When it comes to basement waterproofing, durability often takes a backseat to immediate performance. But one sump pump stands out for its unyielding resilience: the WAYNE 1 HP Submersible Cast Iron and Stainless Steel model, which has been rigorously tested to endure 1 million cycles-a feat that translates to over a decade of reliable service under normal conditions. This isn't just a number; it's a testament to engineering that outshines many competitors. Compare it to the Wayne 58321-WYN3 CDU980E 3/4 HP version, which offers a slightly lower flow rate (4,600 GPH) but shares the same robust construction and integrated float switch. For smaller spaces or lighter-duty tasks, the WAYNE CDU790 1/3 HP model provides a compact alternative, still boasting impressive flow rates and a 3-year warranty. Yet, the true standout is the Sump Pump Alarm with 15-Foot Float Switch, a companion device that adds an extra layer of security with its piercing 120 dB siren and a week-long battery backup. Meanwhile, the 1HP 4500 GPH Portable Transfer Pump offers versatility, ideal for pool draining or emergency use, but lacks the long-term cycle endurance of the Wayne series. While portability is a plus, the 1M-cycle test ensures that the Wayne models are built for the relentless demands of everyday basement protection. So, whether you need a heavy-duty workhorse or a compact solution, the Wayne sump pumps redefine longevity. But for those seeking a failsafe, the alarm system complements their reliability, proving that true resilience isn't just about how long a pump lasts-it's about how much it can handle.