for Bissell Pro Heat 2X Dirty Tank Bottom Ring Cap, 1606415 Brand new,for Bissell Pro Heat 2X Dirty Tank Bottom Ring Cap, 1606415. Product Details Replaces part numbers: Fits Models: 1986, 1964, 19862, 19863, 1986R, 1986V, 2007, 20078, 2007F, 2007G, 2007H, 2007Q, 20074, 20073, 20076, 2007P, 2283, 22839, 22837, 15489, 1548, 15482, 15483, 15484, 15489, 1548F, 1548L, 1548P, 1548Q, 1548R, 1548T, 1548U, 1550, 15503, 15508, 1550L, 1550V, 1551, 1550X, 15481, 15501, 15504, 15505, 1550F, 1550G, 15506, 15507