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VIT-Smooth - Smooth 45°/135° Elbow with Door - Ø 125mm (67-125-041)

National Flues presents the VIT-Smooth 45°/135° Elbow with Door - Ø 125mm, a premium flue accessory designed for gas, oil, and solid fuel appliances. This robust connecting component, featuring an integrated access door and friction fit design, seamlessly blends performance with user-friendly maintenance, making it an essential element for any modern chimney or flue system.
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Great value at £64.99
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At a Glance

    Made from high-quality, zero carbon steel
    Durable matt black powder enamel coating
    Friction fit joint for easy, secure assembly
    Integrated access door for simple maintenance and cleaning
    Withstands temperatures up to 600°C
    Complies with EN1856-2 safety standards
    Ideal for gas, oil, and solid fuel appliances

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Phone: 01670 206999
Email: [email protected]

The VIT-Smooth 45°/135° Elbow with Door - Ø 125mm is expertly designed for use with gas, oil, and solid fuel appliances, operating at temperatures up to 600°C. Made from zero carbon steel with a sleek matt black powder vitreous enamel coating, this single skin connecting flue component is built to last and ensure optimal performance. Ideal for connecting your appliance to a Flue Liner, Chimney Stack, or Twin Wall Flue System, the VIT-Smooth Elbow provides a friction fit joint that doesn’t require sealing, though a jointing compound can be used for added security.

It should be installed with the smaller diameter pointing downwards to retain condensates within the system. Remember, VIT-Smooth is not suitable for passing through ceilings or combustible walls, and it must be kept at least 375mm away from combustible materials. The built-in access door allows for easy maintenance and sweeping, essential for solid fuel applications.

Ensure protective wear is used during installation.

SKU: 67-125-041

Technical Specifications
MaterialZero Carbon Steel
CoatingMatt Black Powder Vitreous Enamel
Steel Thickness1.2mm
Coating Thickness0.2mm
Diameter125mm
Temperature RatingUp to 600u00b0C
ApprovalEN1856-2 T600 N1 Vm L80120 G375
Clearance To Combustible375mm
Install the VIT-Smooth elbow by ensuring the smaller diameter is positioned downwards to retain condensates effectively. Maintain a minimum clearance of 375mm from any combustible materials. Although the friction fit joint does not require sealing, you may opt to use a high-temperature jointing compound for additional security. Do not install this component through ceilings or combustible walls. Always adhere to safety guidelines by wearing appropriate personal protective equipment (PPE) during installation, and double-check all connections to prevent accidental dislodgment or misalignment.

It is used to connect your gas, oil, or solid fuel appliance to a Flue Liner, Chimney Stack, or Twin Wall Flue System, providing a reliable connection with easy access for maintenance.

No, the VIT-Smooth Elbow is not designed for passing through ceilings or combustible walls. It is meant to be used as a connecting piece.

The VIT-Smooth Elbow is made from zero carbon steel and coated with a durable, matt black powder vitreous enamel.

While the friction fit joints do not require sealing, you can use a jointing compound, such as fire cement or high temperature silicone sealant, for extra security.

Make sure the smaller diameter is pointing downward to keep condensates within the system and keep the VIT-Smooth 100mm away from combustible materials. Use appropriate PPE during installation.

Chimneys serving solid fuel appliances should be swept and maintained at least once a year, though more frequent cleaning may be necessary.

Exposed steel should be covered with high-temperature paint to prevent rusting over time.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, May 23rd. Delivery times of products not in our warehouses depend on product availability and shipping. If you need a definitive delivery time give us a call. If you need faster stove or fireplace delivery please also give us a call. We can sometimes reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

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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.

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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.

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