Skip to main content
Water Heater Expansion Tank Steel Electric or Gas 13-11/16" H X 10-9/16" L X 10-9/16

Roll over image to zoom in

Reliance TW12-1 Water Heater Expansion Tank Steel Electric or Gas 13-11/16" H X 10-9/16" L X 10-9/16

Item #: TW12-1 by RELIANCE WATER HEATER CO.

UPC #: 091194015284

See reviewsSee reviews
See reviews summary
Use Code: SAVEBIG2025 for Extra 10% Off
In Stock

$91.78

/each
SAVE UP TO 9.18
Buying in bulk
QUICK SHIPPING*Usually ships in 1 business dayIn stock: 145 units available
QTY
+
+ Add to Wishlist
Buy in Bulk & Save - See HowWatch Now

Shop with Confidence

30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.

Features

Water Heater Type

Electric or Gas

Returnable

Yes

Height

13-11/16"

Defective Code

A

Width

10-9/16"

Number in Package

1 pk

Maximum Temperature

200 °F

Packaging Type

Boxed

Length

10-9/16"

Product Type

Water Heater Expansion Tank

Material

Steel

Each Weight

9.700 LB

Velocity

X

Hazardous Material

No

Finish

Baked epoxy-polyester coating

Warranty

1 Year

Pack Size

1

Manufacturer Warranty

1 Year

Finish Family

Gray

Product Depth (in.)

12

Product Height (in.)

15

Product Width (in.)

12

Package Quantity

1

UL Listed

No

Maximum Working Pressure

150

ADA Compliant

No

UNSPSC

40101700

MADE IN THE USA

No

Assembled Product Height

13.75 in.

GSA Approved

Yes

AbilityOne

No

TAA/BAA Compliant

Yes

Assembled Product Diameter

10.6 in.

Product Overview
For use with residential and commercial water heaters. In-line design, with 3/4 inch NPTM connection installs in cold water line of water heater. Field-adjustable 40 pounds per square inch air charge. Drawn-steel tank with 2-coat bonded polymer inner lining. Butyl diaphragm, for permanent separation of air and water, with no water logging. 4.8 gallon.