# A. O. Smith? Water Heater Expansion Tank 2.1 Gallons | HD Supply

**Manufacturer:** A. O. Smith  
**MPN:** `TW-5-1`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | A. O. Smith |
| Manufacturer name | A. O. Smith |
| Manufacturer | A. O. Smith |
| DimensionUnit | inch |
| InStockString | True |
| Extra Product Name | A. O. Smith? Water Heater Expansion Tank 2.1 Gallons \| HD Supply |
| UPC | 009850138000 |
| Weight | 5.110 |
| WeightUnit | lbs |
| countryOfOrigin | ITALY |
| diameter | 8.0 |
| length | 8.0 |
| length_Attrib | Product Diameter |
| moq | 1 |
| MPN | TW-5-1 |
| multiple | 1 |
| qtyInStock | -2 |
| qtySource | InStockString |
| SKU | 640585 |
| tierMinQty1 | 1 |
| tierPrice1 | 86.89 |
| width | 8.0 |
| width_Attrib | Product Diameter |
| Brand | A. O. Smith |
| Country of Origin | ITALY |
| UNSPSC | 40101700 |
| UPC Code | 9850138000 |
| Maximum Working Pressure | 150 |
| Package Quantity | 1 |
| Product Diameter | 8 in. |
| Product Height | 11 in. |
| Height | 8.800 |
| Length | 13.100 |
| Size Measure | IN |
| Weight Measure | LB |
| Width | 8.400 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| HD Supply | 640585 | 86.89 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/23500000/23562000/part_--TW51---AOSmith--d8537b5062.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp