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Deep Soak Bathtub Drain
- Unique overflow allows 2 in. (51 mm) deeper water level than standard bath drain
- Universal design works with most standard bathtubs
- Tap-actuated pop-up drain stopper
- ABS construction
- Available in finishes to complement bathroom décor
- One-year limited warranty
Manufacturer Resources
Product Specs
- Product Type:
- Bathtub Drain
- Product Group:
- Washroom/Bath
- Product Subgroup:
- Sinks
- Department:
- Plumbing
American Standard 1640305.002 – Frequently Asked Questions
1) How does a Deep Soak drain give you a deeper bath than a regular tub drain?
The trick is the overflow, not the tub. The Deep Soak overflow sits higher than a conventional one, letting the water line rise 2 inches (51 mm) above what a standard bath drain allows in the same tub. That is why it gets specified on renovations where the client wants a deeper soak without replacing the bathtub.
2) Can I add a Deep Soak drain to a tub that's already installed, or does it only work on a new tub?
It goes on either. Because it's a universal-fit waste and overflow, it can be swapped onto an existing standard bathtub to gain the extra 2 inches (51 mm) of water depth. You need access to the drain and overflow connections behind or below the tub to make the change, same as any waste and overflow replacement.
3) What finishes does the American Standard Deep Soak bathtub drain come in?
Five: Chrome (1640305.002), Arctic (1640305.011), White (1640305.02), Linen (1640305.222), and Brushed Nickel (1640305.295). Chrome and Brushed Nickel match metal tub filler trim; Arctic, White, and Linen are the painted finishes used to blend the drain into a white or biscuit tub rather than contrast with it.
4) Does the American Standard 1640305 tub drain need a trip lever or a linkage in the overflow?
No linkage and no trip lever. It's a tap-actuated pop-up stopper, so you push the stopper down with your foot or hand to close and push again to open. Nothing runs inside the overflow tube to adjust or bind, which is one less service call on a rental or multi-family unit.
5) Is the Deep Soak tub drain metal or plastic, and will it hold up in a rental unit?
The body is ABS, a plastic waste and overflow assembly rather than brass. ABS is the standard material for residential tub waste and it won't corrode, but it is not a brass-bodied assembly if a spec calls for one. The visible trim carries the finish.
6) I'm standardizing tub drains across a building. Can I order the same Deep Soak drain in different finishes unit to unit?
Yes, and the part number tells you how. The base model stays 1640305 across every finish, with the suffix changing: .002 chrome, .295 brushed nickel, .02 white, .011 arctic, .222 linen. Same drain, same install, so crews learn one assembly and you match whatever trim is already in each unit.
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Does the American Standard 1640305.002 come with a warranty?
Absolutely. The American Standard 1640305.002 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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