
You can check the price history of Watts ETX-30 Non-Potable Water Carbon Steel Expansion Tank for Closed Loop Hydronic Heating System Piping, 1 /2 inch MNPT Connection, Tank Volume 4.7 Gallons, Maximum Pressure 75 psi here. This product's current Price in USA is $53.87. The average and highest prices are $67.43 and $74.34 respectively.
| Lowest Ever Price | $53.87 |
|---|---|
| 19th Jun 2026 | |
| Average Price | $67.43 |
| Based on 166 days price tracking | |
| Highest Price | $74.34 |
| 14th Mar 2026 | |

Watts ETX-90 6-Gallon Non- Potable Expansion Tank for Closed-Loop Systems
Get Deal

Watts ETX-90 15-Gallon Non- Potable Expansion Tank for Closed-Loop Systems
Get Deal

Watts ETX-15 2.1-Gallon Non-Potable Expansion Tank for Closed-Loop Systems
Get Deal
| Price | $53.87 |
|---|---|
| MRP | $229.99 |
| Savings | $176.12 |
| Discount | 76.57% |
| Product Name | Watts ETX-30 Non-Potable Water Carbon Steel Expansion Tank for Closed Loop Hydronic Heating System Piping, 1 /2 inch MNPT Connection, Tank Volume 4.7 Gallons, Maximum Pressure 75 psi |
|---|---|
| Store Product Code | B0086DDNEI |
| Store Name | amazon.com |
| Rating | 9.2 / 10 |
| Category | Tanks & Reservoirs |
| Product Manufacturer | Watts |
| Model Number | ETX-30 |
| Dimensions | 10.8 x 11.1 x 14.8 inches |







Watts ETX-30 Non-Potable Water Carbon Steel Expansion has 9.2 rating out of 10. This average rating is consist of 616 individual ratings. You can rate this product at product review page.