Therm-X-Trol® 2 gal. Water Heater Expansion Tank

Part #AST5CDD  |  Item #1350300  |  Manufacturer Part #140-004

$ 1,089.00 EACH


2.1 gal

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Product Details

  • For use in closed, domestic hot water systems to control pressure buildup
  • Fixed diaphragm construction
  • Designed and constructed per ASME Code Section VIII, Division 1
  • Tested to JIS Z 2801 for reduction of Legionella, Staphylococcus and E. Coli
  • Antimicrobial polypropylene w/anti-legionella protection liner
  • Deep drawn models are lighter, stronger and more compact than traditional head and shell construction
  • Follows ASHRAE 188 Anti-Legionella guidelines
  • Lead-Free

Lead Law Compliant



ANSI Specifications: ANSI 61

ASME Specifications: ASME Section VIII Division 1

Application: Domestic Water

Capacity: 2.1 gal

Coating: Red Oxide Primer

Collection: Therm-X-Trol®

Color Finish: Red

Color Finish Category: Reds

Diameter: 8 in

End Connection 1: MNPT

End Connection Location: Top

End Connections: MNPT

FM Approved: No

Fitting Size 1: 3/4 in

Fitting Size 2: 3/4 in

Fitting Sizes: 3/4 in

Height: 14 in

IAPMO Listed: Yes

Lead Law Compliant: Yes

Material: Steel

Material Type: [Butyl, EPDM, Polypropylene]

Maximum Pressure: 150 psi

Maximum Temperature: 200

NSF Certified: Yes

NSF Specifications: NSF 61

Product Type: Diaphragm

Supply Pipe Connection: 3/4 in

UL Listed: No

Water Heater Type: Commercial

Weight: 10