Therm-X-Trol® 34 gal Water Heater Expansion Tank

Part #AST70VC  |  Item #2927526  |  Manufacturer Part #146-790

$ 2,242.35 EACH
(Pricing is for 34 gal)


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Product Details

  • For Use in Closed, Potable Hot Water Systems to Control Pressure Build-up.
  • Head and Shell Design with Fixed Diaphragm Design.
  • Antimicrobial Liner Neutralizes Bacteria on Contact.
  • Tested to JIS 2801 for Reduction of Legionella, Staphylococcus and E. coli.
  • Follows ASHRAE 188 Anti-Legionella Guidelines.
  • Meets all ASME Section VIII, Division 1 Code Standards.
  • 1-Year Limited Warranty.

Lead Law Compliant


ANSI Specifications: ANSI 61

ASME Specifications: ASME Section VIII Division 1

Application: Hot Water

Capacity: 34 gal

Coating: Red Oxide Primer

Collection: Therm-X-Trol®

Diameter: 16 in

End Connection 1: FNPT

End Connection Location: Top

End Connections: FNPT

FM Approved: No

Height: 45 in

IAPMO Listed: Yes

Lead Law Compliant: Yes

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

Material Type: [Butyl, EPDM, Polypropylene]

Maximum Pressure: 175 psi

Maximum Temperature: 200

NSF Certified: Yes

NSF Specifications: NSF 61

Supply Pipe Connection: 3/4 in

UL Listed: No

Water Heater Type: Commercial

Weight: 99