LINGXIAO 56WUA400II SPA Pump Identical to pumps from Spa Factories,ensure accurate compatibility. In order to reduce your installation costs, please NOT trust SPA pumps similar to ours, and avoid installation damage to your SPA or Hot tub. 220240V60HZ SPA Pump 2 speed spa pump 4 HP 1HP, low speed 4.4A hight speed 12A. Connect 2 plumbing. US voltage standard with UL, CUL, ETL certified. LX SPA Pump Motor Pure copper winding motor ensures long service life, 80,000 capacitor chargedischarge cycle tests,and thermal protector from Texas Instruments. Excellent quality copper winding motor and AntiCreep Bearing for longer quiet operation. UL, CUL, ETL certificate. Application Suggestions We offer a free set of 2inch unions to connect your plumbing system quickly. Please refer to your OEM model or contact technical support for inquiry about old pump parameters before purchasing, in order to ensure compatibility with your hot tub. Customer Notice We have over 40 years of experience with SPA pumps and can provide expert technical support such as noise, nonstart, installation compatibility issues. You can choose the 48WUA1001CII SPA pump to replace your low power or noisy old SPA pump. Fast Arrival Fulfillment by AMZ. Deliver your order faster than other methods, reducing waiting time. 1Year Warranty Sincere Service If you have any questions, please contact us via Amazon Email and our team will solve your problem within 24 hours.