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VIT-Smooth - 90° Tee and Cap M/F - Ø 125mm (67-125-035)

The VIT-Smooth 90° Tee and Cap M/F - Ø 125mm by National Flues is a leading option for connecting flue systems in gas, oil, and solid fuel appliances. Designed for high performance and durability, this component establishes a reliable connection between your appliance and a flue liner, chimney stack, or twin wall system. Its robust zero carbon steel construction paired with a stylish powder enamel finish ensures both functionality and visual appeal. Ideal for both retail and trade applications, this product reflects National Flues' commitment to quality and excellence, making it the perfect choice for modern heating solutions. Explore our optional accessories to further enhance your complete Read More...
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£65.49
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At a Glance

  • Crafted from premium zero carbon steel for durability
  • Powder enamel finish in elegant matt black
  • Rated for use with gas, oil, and solid fuel appliances up to 600°C
  • Friction fit joint design for easy, secure installation
  • Includes a convenient tee cap for effortless chimney sweeping and maintenance

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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

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Have Questions?
Phone: 01670 206999
Email: [email protected]

The VIT-Smooth 90° Tee and Cap M/F - Ø 125mm is engineered for use with gas, oil, and solid fuel appliances reaching temperatures up to 600°. Crafted from zero carbon steel and finished with a powder vitreous enamel coating in a sleek matt black, this connecting flue system is not only durable but also aesthetically pleasing. Designed specifically as a connecting pipe, the VIT-Smooth should bridge your appliance to your Flue Liner, Chimney Stack, or Twin Wall Flue System.

Note that it should not pass through ceilings or combustible walls.For installation, ensure that no section of VIT-Smooth 100mm is within 375mm of combustible materials like wood or plasterboards. The smaller diameter should always face downward to contain condensates. While VIT-Smooth features a friction fit joint that doesn't require sealing, you can choose to add a jointing compound for extra security.

Be mindful to paint any cut sections with high-temperature paint to prevent rusting over time.Routine maintenance is crucial, particularly for solid fuel appliances. Consider installing VIT-Smooth with access doors at direction changes to facilitate chimney sweeping. It is advised to inspect and clean chimneys at least once a year or more frequently if used with solid fuel.

SKU: 67-125-035

Technical Specifications
SKU67-125-035
MaterialZero Carbon Steel
Steel Thickness1.2mm
CoatingPowder Enamel
Coating Thickness0.2mm
ColourBlack
ApprovalEN1856-2 T600 N1 Vm L80120 G375
Distance To Combustible375mm
Diameter125mm
Operating TemperatureUp to 600u00b0C
Before installing the VIT-Smooth 90° Tee and Cap, ensure that the smaller diameter faces downward to effectively contain condensates. Keep a minimum clearance of 375mm from combustible materials such as wood or plasterboard. The friction-fit design is robust enough to secure the joint without additional sealing; however, jointing compounds are available for extra reinforcement if desired. In the event of any cutting, promptly paint the exposed sections with high-temperature paint to prevent corrosion. For optimal maintenance and ease during chimney sweeping—especially important for installations used with solid fuel appliances—consider integrating access doors at any directional changes. Always adhere to standard safety protocols and wear appropriate PPE during installation to mitigate any risk of injury.

The VIT-Smooth 90° Tee and Cap can be used with gas, oil, and solid fuel appliances, handling temperatures up to 600°C.

No, VIT-Smooth is not suitable for passing through ceilings or combustible walls.

Ensure that the smaller diameter faces downward during installation to keep condensates within the flue system. For added security, you may seal the joints with a suitable compound.

Regular inspection and cleaning are essential, especially for solid fuel appliances. Chimneys should be swept at least once a year.

The tee cap at the base of the VIT-Smooth 90° Tee allows for easy sweeping access and maintenance of the flue system.

Yes, the VIT-Smooth can be cut, but the exposed steel must be painted with high-temperature paint to prevent rusting.

Yes, appropriate personal protective equipment (PPE) should be worn during the installation of the VIT-Smooth 90° Tee and Cap.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

Warranty & Returns +

All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Price Match Guarantee +

We will match any price like for like on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our VIT-Smooth - 90° Tee and Cap M/F - Ø 125mm buyers guide

Secure your VIT-Smooth 90° Tee and Cap today for unmatched performance and reliability.

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