Nipple, 3/4 X 3 In., Fits Brand Rheem, Vangaurd, For Use With Grainger Item Number 1PZ78, 1PZ79, 1PZ80, 1PZ81, 3CFF9, 3CFG1, 3CFG2, 3CFG3, 3CFG4, 3CFG5, 3WA79, 6UT01, 6UT02, 6UT04, 6UT05, 6UT06, 6UT08, 6UT09, 6UT1, 6UT10