# Watts Pre-Charged Non-Potable Water Expansion Tank

**Brand:** [Watts](https://shop.coreranger.com/brands/Watts)
**SKU:** ETX-15
**Price:** $56.33 · in stock
**URL:** https://shop.coreranger.com/product/watts-pre-charged-non-potable-water-expansion-tank-100557223

## Specifications

| Spec | Value |
|---|---|
| Model # | ETX-15 |
| Internet # | 100557223 |
| Returnable | 90-Day |
| Store SKU # | 222411 |
| Product Depth (in.) | 7.9 in |
| Product Width (in.) | 9.2 in |
| Product Height (in.) | 13 in |
| Manufacturer Warranty | Watts (the "Company") warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of original shipment. |

## Description

To absorb the increased water volume created when a hot water boiler is heated, look to this Watts water expansion tank. Made for non-potable water systems and closed-loop heating systems, the pre-charged steel tank has the equivalent capacity of 2.1 gal. With a maximum working pressure of 60 psi, it maintains the system pressure below the relief setting of the relief valve.

• Durable pre-pressurized steel tank with a 2.1 gal. capacity
• 60 psi maximum pressure at 240 F temperature
• For non-potable water systems and closed-loop heating systems