Therm-X-Span® 4.4 gal Water Heater Expansion Tank

Part #AT12  |  Item #2927661  |  Manufacturer Part #141-363

$51.01 EACH
(Pricing is for 4.4 gal)


Added to your cart. View Cart
To see availability for this product, Create an Account.
Already a customer? Login

Product Details

  • For Use in Closed, Potable Hot Water Systems to Control Pressure Build-up.
  • Stainless Steel Connection.
  • Deep-drawn steel design.
  • Heavy Duty Diaphragm.
  • Polypropylene Liner.
  • Welded Air Stem to Help Eliminate Leaks.
  • 1-Year Limited Warranty.

Lead Law Compliant


ANSI Specifications: ANSI 61

Application: [Hot Water, Potable Water]

Capacity: 4.4 gal

Coating: Prime Coated

Collection: Therm-X-Span®

Color Finish: Tan

Color Finish Category: Neutrals

Diameter: 11 in

End Connection 1: MNPT

End Connection Location: Top

End Connections: MNPT

FM Approved: No

Height: 15 in

IAPMO Listed: Yes

Lead Law Compliant: Yes

Material: [Brass, Plastic, Rubber, Stainless Steel]

Material Type: [Butyl, EPDM, Polypropylene]

Maximum Pressure: 150 psi

Maximum Temperature: 200

NSF Certified: Yes

NSF Specifications: NSF 61

Supply Pipe Connection: 3/4 in

UL Listed: No

Weight: 9