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This water heater expansion tank is designed for plumbing professionals and facility maintenance teams managing domestic hot-water systems. It absorbs water expanded during heating to help control pressure and reduce relief valve discharge.
The tank has a 4.4-gallon capacity and measures 13 inches wide by 13 inches deep by 17 inches high. It features a 50 PSI precharge, deep-drawn steel domes, a diaphragm, a hoop-and-groove design, an antimicrobial liner, a water diffuser, and a stainless steel system connection.
Key Features:
Choose this 4.4-gallon expansion tank for domestic hot-water systems where an expansion control device is needed to manage thermal expansion.
| Capacity: | 4.4 Gallon |
| Certifications: | NSF |
| Color/Finish: | Off White |
| Country of Origin: | US |
| Material: | Steel |
| Product Depth: | 13" |
| Product Height: | 17" |
| Product Type: | Expansion Tanks |
| Product Width: | 13" |
| Quantity Included: | 1 |
| Shipping Weight: | 9 lbs |
| Manufacturer Part Number: | ST-12 |
| Color: | Off White |
| Height: | 15 in |
| Weight: | 7 lbs |
| Connection Size: | 3/4 in |
| Diameter: | 11 in |
| Max Accepted Volume Gallons: | 3.2 gal |
| Pipe Size: | 3/4 in |
| Brand: | Amtrol |
| Diaphragm Material: | Heavy Duty Buty NSF/ANSI 61 |
| Manufacturers Part Number: | ST-12 |
| Max Operating Pressure: | 150 psi |
| Max Operating Temperature: | 200 °F |
| Respirator Connection Type: | NPTM |
| Tank Volume: | 4.4 gal |
| Warranty: | 5 yr |
| Width: | 13.00 in |
| Height: | 17.00 in |
| Depth: | 13.00 in |
No additional information available.
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