The perfect fit for your swimming pool, spa, and hot tub. Constructed of titanium and equipped with a specially designed flow restrictor to assure maximum heat exchange, as well as minimum pressure loss, Maxi-Flo compact size stands in stark contrast to the significant energy savings it provides.

Energy Saving Rebates


Limited One Year Warranty (Stainless Steel MF Model) Limited Two Year Warranty (Titanium T Model) Triangle Tube hereby warrants the Maxi-Flo Heat Exchanger to be free from defects in material and workmanship for a period of 1 (one) year from the date of the original installation. Triangle Tube's sole and only liability and the original user’s sole remedy under this warranty shall be limited to the repair or replacement, at Triangle Tube/Phase III’s option, of the defective heat exchanger. Warranty Brochure

  • Best Warranty
  • Best Warranty
  • Available In 5 Sizes from 95,000 To 400,000 BTUs

  • Constructed Of High Quality Corrosion Resistant Stainless Steel (AISI 316)

  • Built-In Flow Restrictor To Assure Maximum Heat Exchange

  • Designed to Minimize Pressure Loss In The Heating System

  • Significant Energy Savings


Product / Marketing Literature

Installation / User Manuals