Free Shipping on Orders Over $200*
  • Flexcon Potable Water Heating Expansion Tank - PH-12

    - 4.8 Gallons - Domestic Water Systems

    Product ID • FLECPH120000

    Available in Stock: 1

  • $78.75
  • Quantity:
  • Free Shipping Eligible


Flexcon PH-12 Series potable water expansion tank has a tank volume of 4.8 gallons. It is designed to maintain safe pressures in a domestic water heating system that utilizes a backflow preventer or check valve. PH tanks feature a butyl rubber diaphragm and plastic liner to separate the system water from the tanks air pre-charge. The system connection has a stainless steel nipple to prevent corrosion. An appliance quality paint finish helps to prevent external corrosion. Every PH tank is comprehensively tested and backed by Flexcons 1 year limited warranty.

Return Policy | Shipping Policy

Manuals & Docs

Technical Specs

Flexcon Potable Water Heating Expansion Tank - PH-12 Techs and Specs

  • Volume
    4.8 Gallons
  • Max Water Heater Size up to 160 degrees F
    120 Gallons
  • Max Water Heater Size at 180 degrees F
    80 Gallons
  • Maximum working temperature
    200 Degree F
  • Height
    11.6 inches
  • Diameter
    8 inches
  • Pipe Connections
    3/4 Inch MNPT
  • Weight (Empty)
    10 Pounds
  • Warranty
    1 year

Flexcon Potable Water Heating Expansion Tank - PH-12 Features

  • 16-gauge solid steel tank
  • NSF Standard 61 Domestic Hot
  • Potable Domestic Hot Water Systems
  • Butyl diaphragm for superior air retention
  • Finish Epoxy Paint and Steel Shell
  • Provides separation of system water from air cushion
  • Controls system pressure
  • No routine maintenance necessary

Info & Links