ST Diaphragm Expansion Tank, 10.3 gal Tank/Acceptance, 150 psi
PartAMTST25V
MFG143N164
Description
Amtrol® Therm-X-Trol® Thermal Expansion Tank, Vertical Free Standing, Series: ST Series, 10.3 gal Tank Volume, Acceptance Volume: 10.3 gal, 50 psig, ASME Yes/No: No, 15 in Dia, 19 in Height, Steel, 50 psig Pre-Pressure Rating, 200 deg F Maximum Temperature, FNPT, 3/4 in, Urethane Topcoat, Domestic
Price/Availability Accessible On Login
- Antimicrobial liner neutralizes bacteria on contact
- Patented Turbulator™ water circulation device
- InSight™ indicator cap tank service alert
- Strongest tank design featuring deep drawn steel and multi-dome construction
- Thickest diaphragm - heavy duty butyl
- Projection welded air stem to help eliminate leaks
- Exclusive ST-1 for tankless water heaters
Type | Diaphragm |
ASME Yes/No | No |
Tank Volume | 10.3 gal |
Acceptance Volume | 10.3 gal |
Pressure Rating | 150 psi |
Series | ST |
Connection Size | 3/4 in |
Connection Type | FNPT |
Diameter | 15 in |
Domestic/Import | Domestic |
Finish | Urethane Topcoat |
Height | 19 in |
Material | Steel |
Maximum Temperature | 200 deg F |
Pre-Pressure Rating | 50 psi |
Brand | Amtrol® |
Package Width | 15 in |
Package Height | 19 in |
UNSPSC | 40101800 |
Alternate Part Number 1 | ST-25V |
Package Length | 15 in |
Country of Origin | US |
Manufacturer | Amtrol |
UPC | 642031395689 |
Manufacturer Part Number | 143N164 |
5 Years Limited
IAPMO R and T Low-Lead|NSF/ANSI 61|PHCC Association
Videos
Video Link
Video Link
Price/Availability Accessible On Login
- Recommended Accessories
- Competitive Brands
- Recently Viewed
No applicable products
No applicable products
No applicable products

Amtrol®ST Diaphragm Expansion Tank, 10.3 gal Tank/Acceptance, 150 psi
- Customers Also Purchased
No applicable products