Aqua-Flo by Gecko
The 1 HP Gecko XP2 661-0006 can be used as a replacement for the Wavemaster 6000 used in the Hot Spot SX 115V and Watkins, Hot Springs, Freeflow Plug & Play hot tubs. Gecko rates their pumps by OP. OP.HP stands for operational horsepower and is specific to Gecko. A Gecko 1.5 HP is traditionally 1 HP.