Wilkins RK34-70XL Repair Kits Repair Kit, Size 3/4 In. Body Material Rubber and Steel Temp. Range 33 Degrees to 140 Degrees F Use With Mfr. No. 70XL 34 Includes Tail Piece, Cartridge, Diaphragm, Diaphragm Disc, Bolt, Spring, Spring Disc, Friction Ring.