The TIGERFLOW ES-3000 end-suction booster pump and VMS-4000 vertical multi-stage booster pump domestic water booster system series have received NSF/ANSI 61 certification by IAPMO. All certified TIGERFLOW systems were tested to maximum performance levels, and included triplex as well as subordinate simplex and duplex systems. System features include ASME Section 9 certified welding, UL-labeled power and control panels, and non-electric over-temperature protection.