A wide range of expansion tanks for every application

The Flexcon expansion tanks distributed by Vigmark are the ultimate choice for unmatched performance and guaranteed reliability. Renowned for their superior quality and robustness, Flexcon expansion tanks set the industry standard. Whatever your heating, air conditioning, or plumbing needs, we have the ideal solution for you.

We understand that each project is unique, which is why our diverse range of ASME expansion tanks will meet all your requirements. Whether you choose a compact tank for residential use or a large capacity tank for a commercial project, we have exactly what you need. With Flexcon, rest assured that you will receive premium products that adhere to the industry’s strictest standards.


  • ASME tank available
  • Wide range of expansion tanks for potable water in stock
  • Warranty of up to 5 years
  • Lightest buffer tank in the industry
  • Complete range of well tanks
  • Easy-to-use selection program


 A wide range of expansion tanks for every application

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