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TW Pro

TW Pro

TW Pro by MI Flues is a premium twin wall insulated chimney system engineered for high-performance heating appliances. Designed for wood burning stoves, multi-fuel stoves, gas, and commercial applications, TW Pro delivers exceptional draft performance, superior thermal efficiency, and industry-leading safety. Manufactured in the UK from high-grade stainless steel, this twin wall flue system offers quick installation, durable construction, and full compliance with EN1856-1 standards.

For installers and homeowners seeking a reliable, HETAS-approved twin wall chimney solution, TW Pro provides long-lasting performance, sleek aesthetics, and trusted British manufacturing quality.

  • TW Pro Matt Black 6" (150mm) Retro Fit Base Support

    TW Pro Matt Black 5″ (125mm) Retro Fit Base Support

    In Stock - Immediate Dispatch
    Our Price:
    £209.23 inc. VAT
  • TW Pro Matt Black 6" (150mm) Roof Brace Kit

    TW Pro Matt Black 5″ (125mm) Roof Brace Kit

    In Stock - Immediate Dispatch
    Our Price:
    £230.37 inc. VAT
  • TW Pro Matt Black 6" (150mm) Roof Support

    TW Pro Matt Black 5″ (125mm) Roof Support

    In Stock - Immediate Dispatch
    Our Price:
    £96.24 inc. VAT
  • TW Pro Matt Black 6" (150mm) Single Wall To Twin Wall Adaptor

    TW Pro Matt Black 5″ (125mm) Single Wall To Twin Wall Adaptor

    In Stock - Immediate Dispatch
    Our Price:
    £97.45 inc. VAT
  • TW Pro Matt Black 6" (150mm) Structural Locking Band

    TW Pro Matt Black 5″ (125mm) Structural Locking Band

    In Stock - Immediate Dispatch
    Our Price:
    £111.47 inc. VAT
  • TW Pro Matt Black 6" (150mm) Tee Cap

    TW Pro Matt Black 5″ (125mm) Tee Cap

    In Stock - Immediate Dispatch
    Our Price:
    £99.31 inc. VAT
  • TW Pro Stainless Steel 5" (125mm) Tee Cap With Drain

    TW Pro Matt Black 5″ (125mm) Tee Cap With Drain

    In Stock - Immediate Dispatch
    Our Price:
    £139.85 inc. VAT
  • TW Pro Matt Black 6" (150mm) Testing Flat Adaptor To Single Wall

    TW Pro Matt Black 5″ (125mm) Testing Flat Adaptor To Single Wall

    In Stock - Immediate Dispatch
    Our Price:
    £203.29 inc. VAT
  • TW Pro Matt Black 5" (125mm) Testing Pipe 500mm

    TW Pro Matt Black 5″ (125mm) Testing Pipe 500mm

    In Stock - Immediate Dispatch
    Our Price:
    £323.19 inc. VAT
  • TW Pro Matt Black 6" (150mm) Wall Support 130mm To 210mm

    TW Pro Matt Black 5″ (125mm) Wall Support 130mm To 210mm

    In Stock - Immediate Dispatch
    Our Price:
    £238.44 inc. VAT
  • TW Pro Matt Black 6" (150mm) Wall Support 210mm To 420mm

    TW Pro Matt Black 5″ (125mm) Wall Support 210mm To 420mm

    In Stock - Immediate Dispatch
    Our Price:
    £282.86 inc. VAT
  • TW Pro Matt Black 6" (150mm) Wall Support 50mm To 80mm

    TW Pro Matt Black 5″ (125mm) Wall Support 50mm To 80mm

    In Stock - Immediate Dispatch
    Our Price:
    £89.77 inc. VAT
  • TW Pro Matt Black 6" (150mm) Wall Support 80mm To 130mm

    TW Pro Matt Black 5″ (125mm) Wall Support 80mm To 130mm

    In Stock - Immediate Dispatch
    Our Price:
    £218.94 inc. VAT
  • TW Pro Matt Black 6" (150mm) Wall Support Corner 270mm To 520mm

    TW Pro Matt Black 5″ (125mm) Wall Support Corner 270mm To 520mm

    In Stock - Immediate Dispatch
    Our Price:
    £369.83 inc. VAT
  • TW Pro Matt Black 6" (125mm) 1000mm Length

    TW Pro Matt Black 6″ (150mm) 1000mm Length

    In Stock - Immediate Dispatch
    Our Price:
    £400.15 inc. VAT
  • TW Pro Matt black 6" (150mm) 100mm Length

    TW Pro Matt black 6″ (150mm) 100mm Length

    In Stock - Immediate Dispatch
    Our Price:
    £152.77 inc. VAT
  • TW Pro Matt Black 6" (150mm) 135 Degree Tee

    TW Pro Matt Black 6″ (150mm) 135 Degree Tee

    In Stock - Immediate Dispatch
    Our Price:
    £672.65 inc. VAT
  • TW Pro Matt Black 6" (150mm) 15 Degree Bend

    TW Pro Matt Black 6″ (150mm) 15 Degree Bend

    In Stock - Immediate Dispatch
    Our Price:
    £272.91 inc. VAT
  • TW Pro Matt Black 6" (150mm) 1Pc Round Finishing Plate 45 Degrees

    TW Pro Matt Black 6″ (150mm) 1Pc Round Finishing Plate 45 Degrees

    In Stock - Immediate Dispatch
    Our Price:
    £101.95 inc. VAT
  • TW Pro Matt Black 6" (150mm) 1Pc Round Finishing Plate 90 Degrees

    TW Pro Matt Black 6″ (150mm) 1Pc Round Finishing Plate 90 Degrees

    In Stock - Immediate Dispatch
    Our Price:
    £101.95 inc. VAT
  • TW Pro Matt Black 6" (150mm) 250mm Length

    TW Pro Matt Black 6″ (150mm) 250mm Length

    In Stock - Immediate Dispatch
    Our Price:
    £18.09 inc. VAT