Jacuzzi is an American private company that manufactures and markets hot tubs, pools, and other bath products.

[5] The water pumps were a niche medical product until they were integrated into a recreational hot tub in 1968.

[8] More family members emigrated to the U.S. when the brothers won a contract to provide propellers to the U.S. for World War I planes.

[8] They offered to help develop aviation products, creating an early wood propeller that was curved instead of flat[8] and was used in World War I.

[8] The siblings subsequently abandoned the aviation industry and experimented with several other products, the first successful one being a water pump created by Rachele Jacuzzi in 1926.

[13] In 1948, Candido Jacuzzi developed an improved full body hydrotherapy pump, the J-300, to treat his son's (Ken Jacuzzi) rheumatoid arthritis between hospital visits, after noting his positive response the smaller Hubbard tank at the Herrick hospital in Berkeley.

[17] Jacuzzi used celebrity Jayne Mansfield and others to market the tubs, which initially gained popularity among Hollywood movie stars.

[14] In the 1970s, Jacuzzi products were featured on Queen for a Day and other TV shows and grew in popularity in California.

[24] Acquisitions since the 1990s have included Haugh Products[20] (above-ground pools), Sundance Spas,[20] Gatsby Spas,[20] Zurn Industries (toilets, sinks), Hydropool (hot tubs), Liners Direct (bath products), BathWraps (shower and bathtub renovation).

[18] The business segment producing industrial, irrigation, well water, submersible, and centrifugal systems was sold to Franklin Electric in 2004.