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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 Stainless Steel 6" (150mm) Single Wall To Twin Wall Adaptor

    TW Pro Stainless Steel 6″ (150mm) Single Wall To Twin Wall Adaptor

    In Stock - Immediate Dispatch
    Our Price:
    £72.44 inc. VAT
  • TW Pro Stainless Steel 5" (125mm) Structural Locking Band

    TW Pro Stainless Steel 6″ (150mm) Structural Locking Band

    In Stock - Immediate Dispatch
    Our Price:
    £90.08 inc. VAT
  • TW Pro Stainless Steel 6" (150mm) Testing Flat Adaptor To Single Wall

    TW Pro Stainless Steel 6″ (150mm) Testing Flat Adaptor To Single Wall

    In Stock - Immediate Dispatch
    Our Price:
    £133.79 inc. VAT
  • TW Pro Stainless Steel 6" (150mm) Testing Pipe 500mm

    TW Pro Stainless Steel 6″ (150mm) Testing Pipe 500mm

    In Stock - Immediate Dispatch
    Our Price:
    £265.35 inc. VAT
  • TW Pro Stainless Steel 5" (125mm) Wall Support 130mm To 210mm

    TW Pro Stainless Steel 6″ (150mm) Wall Support 130mm To 210mm

    In Stock - Immediate Dispatch
    Our Price:
    £184.58 inc. VAT
  • TW Pro Matt Black 5" (125mm) Wall Support 210mm To 420mm

    TW Pro Stainless Steel 6″ (150mm) Wall Support 210mm To 420mm

    In Stock - Immediate Dispatch
    Our Price:
    £218.30 inc. VAT
  • TW Pro Stainless Steel 5" (125mm) Wall Support 50mm To 80mm

    TW Pro Stainless Steel 6″ (150mm) Wall Support 50mm To 80mm

    In Stock - Immediate Dispatch
    Our Price:
    £64.68 inc. VAT
  • TW Pro Stainless Steel 5" (125mm) Wall Support 80mm To 130mm

    TW Pro Stainless Steel 6″ (150mm) Wall Support 80mm To 130mm

    In Stock - Immediate Dispatch
    Our Price:
    £169.94 inc. VAT
  • TW Pro Stainless Steel 5" (125mm) Wall Support Corner 270mm To 520mm

    TW Pro Stainless Steel 6″ (150mm) Wall Support Corner 270mm To 520mm

    In Stock - Immediate Dispatch
    Our Price:
    £253.38 inc. VAT
  • TW Pro Stainless Steel Flat Adaptor To Single Wall Increaser 6" (150mm)

    TW Pro Stainless Steel Flat Adaptor To Single Wall Increaser 5″ (125mm)

    In Stock - Immediate Dispatch
    Our Price:
    £94.13 inc. VAT
  • TW Pro Stainless Steel Flat Adaptor To Single Wall Increaser 6" (150mm)

    TW Pro Stainless Steel Flat Adaptor To Single Wall Increaser 6″ (150mm)

    In Stock - Immediate Dispatch
    Our Price:
    £102.95 inc. VAT
  • TW Pro Stainless Steel Flat Increasing Adaptor 5" To 6" (125mm To 150mm)

    TW Pro Stainless Steel Flat Increasing Adaptor 5″ To 6″ (125mm To 150mm)

    In Stock - Immediate Dispatch
    Our Price:
    £143.98 inc. VAT
  • TW Pro Stainless Steel Flex To Twin Wall Adaptor 6" (150mm)

    TW Pro Stainless Steel Flex To Twin Wall Adaptor 5″ (125mm)

    In Stock - Immediate Dispatch
    Our Price:
    £158.88 inc. VAT
  • TW Pro Stainless Steel Flex To Twin Wall Adaptor 6" (150mm)

    TW Pro Stainless Steel Flex To Twin Wall Adaptor 6″ (150mm)

    In Stock - Immediate Dispatch
    Our Price:
    £189.92 inc. VAT
  • TW Pro Stainless Steel Single Wall To Twin Wall 5" To 6" (125mm - 150mm)

    TW Pro Stainless Steel Single Wall To Twin Wall 5″ To 6″ (125mm – 150mm)

    In Stock - Immediate Dispatch
    Our Price:
    £107.68 inc. VAT
  • TW Pro Stainless Steel Single Wall To Twin Wall Increaser 6" To 7" (150mm To 175mm)

    TW Pro Stainless Steel Single Wall To Twin Wall Increaser 5″ To 6″ (125mm To 150mm)

    In Stock - Immediate Dispatch
    Our Price:
    £72.44 inc. VAT
  • TW Pro Stainless Steel Single Wall To Twin Wall Increaser 6" To 7" (150mm To 175mm)

    TW Pro Stainless Steel Single Wall To Twin Wall Increaser 6″ To 7″ (150mm To 175mm)

    In Stock - Immediate Dispatch
    Our Price:
    £84.65 inc. VAT
  • TW Pro Stainless Steel Twin Wall to Flex Adaptor 6" (150mm)

    TW Pro Stainless Steel Twin Wall to Flex Adaptor 5″ (125mm)

    In Stock - Immediate Dispatch
    Our Price:
    £166.38 inc. VAT
  • TW Pro Stainless Steel Twin Wall to Flex Adaptor 6" (150mm)

    TW Pro Stainless Steel Twin Wall to Flex Adaptor 6″ (150mm)

    In Stock - Immediate Dispatch
    Our Price:
    £198.83 inc. VAT
  • TW Pro Stainless Steel Twin Wall To Twin Wall Increaser 6" To 7" (150mm To 175mm)

    TW Pro Stainless Steel Twin Wall To Twin Wall Increaser 5″ To 6″ (125mm To 150mm)

    In Stock - Immediate Dispatch
    Our Price:
    £204.05 inc. VAT
  • TW Pro Stainless Steel Twin Wall To Twin Wall Increaser 6" To 7" (150mm To 175mm)

    TW Pro Stainless Steel Twin Wall To Twin Wall Increaser 6″ To 7″ (150mm To 175mm)

    In Stock - Immediate Dispatch
    Our Price:
    £243.92 inc. VAT