MF 135T Maxi-Flo Titanium Pool & Spa Heat Exchanger (135,000 BTU) Zoom

MF 135T Maxi-Flo Titanium Pool & Spa Heat Exchanger (135,000 BTU)


Brand: Triangle Tube

Triangle Tube
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Material: Titanium
BTU Output: 135000
Hot Water Flow: 11 GPM
Cold Water Flow: 92 GPM
Heat Transfer Area: 2 Sq. Ft
Weight (lbs): 4 lbs
Boiler Connection: 1"
Pool Connection: 1-1/2"
Height (Inches): 20
Width: 5-1/2"
Max. Working Temp (F): 230°F
Max. Working Pressure: 425 psig

Description for Triangle Tube MF135T

The Triangle Tube Maxi-Flo heat exchanger, when combined with any boiler, makes for an ideal heating system for swimming pools, spas and hot tubs.

Application: Titanium chosen for high resistance to corrosion and is suitable for pools and spas with aggressive water, salt water and when salt chlorinator is used.


  • Constructed of titanium shell and titanium coil
  • Rolled formed to shape and then precision weld
  • Specialty designed built in flow restrictor to assure maximum heat exchange
  • Designed to minimize pressure loss in the heating system
  • Leak tested to assure that they are totally functionable
  • Compact in size and require minimum installation space
  • Significant energy savings
  • Available for all types of swimming pools, spas and hot tubs
  • Equipped with stainless steel holding brackets
NOTE: Please do not call the manufacturer, Triangle Tube, with questions about this product. If you have questions (technical or otherwise), please call customer service at 1-888-757-4774 and a customer service representative will be happy to assist you.

MF 135T Maxi-Flo Titanium Pool & Spa Heat Exchanger (135,000 BTU)

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  • MF 135T Maxi-Flo Titanium Pool & Spa Heat Exchanger (135,000 BTU)


    What boiler water temperature do you recommend to achieve the specified BTU output for the MF 135T and MF 260T? They are for a pool and spa respectively.
    Asked on 11/6/2013 by Paul from Boise, ID

    1 answer



      Triangle Tube's heat exchanger specs are based on 200 degree boiler water with a 110 degree delta T.

      Answered on 11/7/2013 by PexSupply Staff from NY
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