Waterway Viper 56 Frame spa pump wet end assembled to a 56 frame spa motor. 4hp, 2-1/2" intake and 2-1/2" discharge. Replaces Part No. 3721621-1T Aqua Flo Master XP3,FMXP33022,Great for swim spas and large hot tubs with 2-1/2" pipe.

Waterway Viper 56 Frame spa pump wet end assembled to a 56 frame SINGLE SPEED spa motor. 4hp, 2-1/2" intake and 2-1/2" discharge. Replaces Part No. 3711621-1T Aqua Flo Master XP3,AF 93526956,FMXP33012,XP34012,TS605,B237,K63MWEWR-4842,7135,9099x,XP3633012