How Do I Tell Which Kind of Pump I Have?  Easy, see below.
	This is a WHITE fitting used by Jacuzzi Spas from Mid 1980's to Early 1990's
	This is a BLACK fitting called the "J" Series. It's Jacuzzi's Patented Designed and used to replace the above white pumps to circa 2002. It has a cone shape head.
	This is a BLACK fitting commonly used by Jacuzzi Premium to date. It has a FLAT head.