A.O.Smith TW Series TW 12-1 Thermal Expansion Tank 4.8 Gal 150PSI Potable Water
Real photos | Tested
Shipping
Depends on item size and packaging.
Returns
Limited 14-day coverage on eligible issues.
Local pickup
Available in Taylorsville, UT.
Included and condition
Included
- A.O.Smith TW-12-1 Thermal Expansion Tank
- Installation manual
- Warranty information (if applicable)
- Box not included for used items
Condition
- Graded New. Use the listing photos for final cosmetic review.
- No major extra issues are called out in the listing text beyond what is shown in the photos.
Pickup and support
Pickup location
5500 S Redwood Rd Ste 203
Taylorsville, UT 84123
Mon-Sat 11AM-6PM
Call or text
Share the SKU at 3857156888 if you want a quick confirmation before ordering or pickup.
Get directionsProduct overview
The A.O.Smith TW Series TW-12-1 Thermal Expansion Tank is designed for domestic hot water systems, ensuring optimal performance and safety. This product is in new condition and features a maximum pressure of 150 PSI and a nominal volume of 4.8 gallons. At TamDo.us, we pride ourselves on providing real product photos and clear condition notes, so you know exactly what you're getting. We ship within 1-2 business days, and enjoy free shipping on orders over $150. Plus, our 14-day return policy gives you peace of mind with your purchase. Experience the reliability of this high-quality expansion tank and protect your plumbing system from thermal expansion today.
Key features
- ✓New condition, ready for use
- ✓4.8-gallon nominal volume
- ✓Maximum pressure: 150 PSI
- ✓Factory precharge: 38 PSI
- ✓Max temperature: 210°F
- ✓Height: 13.7 inches
- ✓Designed for domestic hot water systems
Product details
What's included
- 📦A.O.Smith TW-12-1 Thermal Expansion Tank
- 📦Installation manual
- 📦Warranty information (if applicable)
- 📦Box not included for used items
Confirm exact contents in the product photos. Accessories vary per unit.
🌐 Why buy on TamDo.us
Buying pre-owned electronics on TamDo.us means lower prices than retail without sacrificing quality. We photograph each item in our Utah warehouse so you see exactly what you're buying — not stock images. Orders ship fast (1-2 business days) with tracking, and we offer 14-day returns on material defects. Need to inspect in person? Visit our local store at TamDous.com.
Frequently asked questions
What is the maximum pressure of the TW-12-1 tank?
The maximum pressure for the A.O.Smith TW-12-1 tank is 150 PSI.
How long does shipping take?
We ship within 1-2 business days, ensuring prompt delivery.
Is there a return policy?
Yes, we offer a 14-day return policy for your peace of mind.
What is the nominal volume of this expansion tank?
The nominal volume of the A.O.Smith TW-12-1 is 4.8 gallons.
Can I buy this product online?
Absolutely! You can buy the A.O.Smith TW-12-1 Thermal Expansion Tank online at TamDo.us.
What are the dimensions of the tank?
The height of the A.O.Smith TW-12-1 tank is 13.7 inches.
Does it come with an installation manual?
Yes, the A.O.Smith TW-12-1 includes an installation manual for your convenience.
