Thermal Expansion Tanks
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Thermal Expansion Tanks

Easyflex’s thermal expansion tanks are available in 2 capacities, 2 and 4.5 gallons. They’re designed to maintain safe pressures in a domestic water heating system that utilizes a backflow preventer or check valve. Each tank has a plastic liner that separates the system water from the tank’s air charge and a brass air charging port with an o-ring seal.

  • Stainless Steel 3/4" MIP w/Hex
  • Butyl Rubber Diaphragm
  • NSF 61 Compliant
  • Factory Pre-charged to 40 psig
  • Protects Water Heater, Fixtures and Appliances
  • Prevents Dangerous Pressure Build Up
  • Stainless Steel Connector
  • Provides a Reservoir for Expanded Water Volume

MODELS

Part# Description Qty/Box
EF-TET-2Thermal Expansion Tank, 2 Gallon1
EF-TET-3Thermal Expansion Tank, 4.5 Gallon1

Download our Catalog for additional information.

CERTIFICATIONS, APPROVALS, LISTINGS, & COMPLIANCE


  • cUPC

Material

Shell 16 gauge cold rolled steel
Diaphragm 100% butyl rubber, lined with polypropylene
Connection Stainless Steel

Pressure-Temperature

Connection Size3/4" MIP
Tank Volume2.1 Gallons / 4.5 Gallons
Factory Pre-Charge40 psi
Max. Pressure150 psi
Max. Temperature201 °F
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