Tank - American Standard 4021 1.6GPF Color:White Tank P/N: K4645

Tank P/N: K4645

Tank Size estimated: 17

Lid Part Number: ULF-5

Note: There is a Vortens 3486 which is similar in shape but not interchangeable with this item

Tank - American Standard 4021 1.6GPF Color:White Tank P/N: K4645Manufacturer: American Standard Tank P N: 4021 1. 6GPF Rough In: 12" Bolt Spacing: 6. 375" center to center Tank Only, does not include lid or internal parts. Internal parts and Lid 735121 Can be purchased separately RELIANT Model *Please note there are 2 different versions of the 4021 tank, one is 1. 28gpf and one is 1. 6gpf. The porcelain for these tanks are identical with the same bolt spacing, bolt size, and bolt location. The only difference is