---
product_id: 310638346
title: "Toto TWT173M 1.28 GPF Dual Flush In-Wall Toilet Tank Only with Copper Supply Line"
brand: "toto"
price: "5862.65 DT"
currency: TND
in_stock: true
reviews_count: 1
url: https://www.desertcart.tn/products/310638346-toto-twt173m-1-28-gpf-dual-flush-in-wall-toilet
store_origin: TN
region: Tunisia
---

# 1.28/0.9 GPF Dual-Max flush Durable copper supply line In-wall built-in installation Toto TWT173M 1.28 GPF Dual Flush In-Wall Toilet Tank Only with Copper Supply Line

**Brand:** toto
**Price:** 5862.65 DT
**Availability:** ✅ In Stock

## Summary

> 🚿 Flush Smarter, Live Greener — The Future of Bathroom Efficiency

## Quick Answers

- **What is this?** Toto TWT173M 1.28 GPF Dual Flush In-Wall Toilet Tank Only with Copper Supply Line by toto
- **How much does it cost?** 5862.65 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/310638346-toto-twt173m-1-28-gpf-dual-flush-in-wall-toilet)

## Best For

- toto enthusiasts

## Why This Product

- Trusted toto brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Smart Dual Flush:** Choose between 0.9 or 1.28 gallons per flush to slash water bills and boost sustainability.
- • **Sleek In-Wall Design:** Maximize bathroom space with a discreet, built-in tank that blends seamlessly with modern interiors.
- • **Trusted TOTO Quality:** Backed by a leading brand known for innovation and durability in bathroom fixtures.
- • **Effortless Installation:** Designed for professional-grade fit and easy integration with existing plumbing systems.
- • **Premium Copper Supply Line:** Corrosion-resistant copper piping ensures long-lasting reliability and peace of mind.

## Overview

The Toto TWT173M is a high-efficiency in-wall toilet tank featuring a Dual-Max flush system with 0.9 and 1.28 gallons per flush options, designed to conserve water without compromising performance. Its built-in installation style and durable copper supply line make it a premium choice for modern, eco-conscious bathrooms.

## Description

IN WALL TANK SYSTEM W/ COPPER PIPE - 1.28GPF & .9GPF FOR CCT

## Features

- Dual-Max flush promotes water conservation with a 0.9 or 1.28 GPF option

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Capacity | 1.28 Gallons |
| Product Grade | Like New |
| Fit Type | built-in |
| OEM Part Number | WT173MA |
| UPC | 739268348677 |
| Manufacturer | TOTO |
| Part Number | WT173M |
| Item Weight | 43 pounds |
| Product Dimensions | 47.5 x 26.25 x 5.75 inches |
| Item model number | WT173M |
| Style | DuoFit |
| Installation Method | wall |
| Item Package Quantity | 1 |
| Usage | Inside |
| Included Components | Product Only |
| Batteries Required? | No |

## Product Details

- **Brand:** TOTO
- **Material:** Plastic
- **Item dimensions L x W x H:** 47.5 x 26.25 x 5.75 inches
- **Exterior Finish:** Copper
- **Item Weight:** 43 Pounds

## Images

![Toto TWT173M 1.28 GPF Dual Flush In-Wall Toilet Tank Only with Copper Supply Line - Image 1](https://m.media-amazon.com/images/I/61zGwO5etzL.jpg)

## Customer Reviews

### ⭐ Buyer Beware!
*by J***1 on January 24, 2025*

I have a toto in-wall carrier and wanted to add atoto washlet. Lots of issues!1. No where in the instructions, for the washer or the tank does it tell you that you need their PROPRIETARY shut-off valve. After the plumbers messed around with it for several hours and a couple of trips to a specialty plumbing store with no luck, I called toto and was told of the mystery, necessary part.2. Poor customer service as the rep was very condescending and making excuses for why it isn't in the kit or instructios.3. The PROPRIETARY chrome shut-off valve in question is $160.00! Yes, because charging 3 times what everyone else charges for these systems isn't enough. There is absolutely no reason, other than to rip you off, does this part need to be proprietary.

## Frequently Bought Together

- Toto TWT173M 1.28 GPF Dual Flush In-Wall Toilet Tank Only with Copper Supply Line
- TOTO CT426CFG#01 Toilets, Cotton White
- TOTO YT920#WH Toilets and Bidets, White Matte

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**Shop now:** [https://www.desertcart.tn/products/310638346-toto-twt173m-1-28-gpf-dual-flush-in-wall-toilet](https://www.desertcart.tn/products/310638346-toto-twt173m-1-28-gpf-dual-flush-in-wall-toilet)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-24*