Add to favorites
#30 Extrol Expansion Tank (4.4 Gallon Volume) — Open-Box, 15% Off
Brand: Amtrol
Condition: Used - VeryGood
$8379
$9834
-15% Save $1455
Updated: 5 days ago
Description
Tank Volume:4.4 Gallons
Warranty:5-Year Limited Warranty
Diameter (Inches):11"
Height (Inches):15.5
Max Accepted Volume:2.5 Gallons
Note: The HydroClaw Expansion Tank Support Bracket provides a safe and reliable option if you prefer to mount your expansion tank. This expansion tank bracket is easy to install and will hold any tank with a diameter of 11" nominal.The Amtrol 30 EXTROL Expansion Tank is designed to be installed in residential and commercial applications and it factory pre-charged to 12 PSIG. Though this expansion tank can be mounted horizontally this can cause a decrease in the products life.Features:
- For use with closed hydronic heating and cooling systems
- Factory pre-charged to 12 psig
- Pre-charge should be adjusted to equal minimum operating pressure at tank location
- Accepts expanded water as system temperature rises to reduce pressure build-up.
- System connection sets the point of no pressure change
- Water-tight reservoir for expanded water
- Sealed air cushion - factory pre-charged and 100% tested
- Deep-drawn steel tank
- Air stem for pre-charge adjustment
Other Features:
- Application:Heating
- Max Pressure (PSI):100
- Thread Type:Male
- Max Temp (F):240F
- Precharged PSI:12 psi
- Thread Size:1/2"
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b079gr31qz
- Model:
- Cab-102-1
- Country:
- US
- ASIN:
- B079GR31QZ
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $15 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Amtrol products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.














