Gecko® is a company that manufactures electronic spa controls Gecko & Aeware, sanitation systems and Aqua-Flo pumps. A variety of parts & accessories for spas, hot tubs, swim spas, bath tubs and whirlpool tubs. Whether it is used to heat, propel, or illuminate, Gecko® has what you need to fix or retro your existing spa and hot tub part or parts needs.