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Wall Sleeve 45° Adjustable - Ø 150 (15-150-100)

National Flues proudly presents the Wall Sleeve 45° Adjustable – Ø 150, a premium solution for protecting chimney flues through external walls. This high-quality, adjustable wall sleeve, crafted from robust 304 and 316 stainless steel, is ideal for solid fuel, woodstove, gas, oil, and low sulphur coal appliances. Certified to stringent HETAS and CE standards, our wall sleeve is designed to enhance the safety and efficiency of your chimney system, making it a trusted choice in chimney protection and flue accessories.
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£32.49
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At a Glance

  • Dual stainless steel construction (304 outer, 316 inner, 0.40mm thick)
  • High-density rockwool insulation (200kg/m³ for TWPro, 128kg/m³ for KC)
  • Adjustable design for a perfect fit through external walls
  • HETAS Approved and CE marked for safety compliance
  • Ensures optimal clearance to combustibles (50mm TWPro, 60mm KC)

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

We Won't Be Beaten On Price

At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

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

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

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

The Wall Sleeve 45° Adjustable - Ø 150 is an essential component for protecting your chimney flue during its passage through external walls. It's perfect for use with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, and oil and gas boilers. Constructed with a robust outer skin of 304 grade stainless steel and an equally strong inner skin of 316 grade stainless steel, both at 0.4mm thickness, this Wall Sleeve is built to last.

The insulation is composed of densely compressed rockwool for superior safety, with a density of 200kg/m³ for TWPro and 128kg/m³. Fully welded parts ensure optimum durability. The sleeve maintains a crucial 50mm distance to combustibles for TWPro and 60mm for KC, adhering to safety standards.

HETAS Approved and CE marked, the Wall Sleeve 45° Adjustable comes with multiple designations, ensuring versatile appliance compatibility. Installation is straightforward with TWPro Twin Wall Insulated Chimney parts, using a Locking Band to secure components.

SKU: 15-150-100

Technical Specifications
SKU15-150-100
Sizeu00d8 150
Outer Material304 Stainless Steel (0.40mm thick)
Inner Material316 Stainless Steel (0.40mm thick)
InsulationRockwool (200kg/mu00b3 for TWPro / 128kg/mu00b3 for KC)
ApprovalsHETAS Approved, CE Marked
Distance To Combustibles50mm (TWPro), 60mm (KC)
Before installation, review the manufacturer's instructions thoroughly. Begin by measuring and marking the wall for the correct placement, ensuring the required distance to combustibles is adhered to. Prepare the wall opening carefully and insert the adjustable wall sleeve, manually extending it to achieve a snug fit. Secure the assembly with TWPro Twin Wall Insulated Chimney parts and a locking band. Always double-check that the sleeve is properly locked in place and meets all safety clearance standards. If in doubt, consult a professional installer to ensure compliance with all safety regulations.

It is compatible with a range of solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil and gas boilers, and other solid fuel appliances.

The outer skin is made from 304 grade stainless steel, and the inner skin is made from 316 grade stainless steel, both with a thickness of 0.4mm.

The insulation is composed of densely compressed rockwool with a density of 200kg/m³ for TWPro and 128kg/m³, providing excellent protection.

The TWPro Twin Wall Insulated Chimney parts are secured together using a Locking Band to ensure stability and safety.

The distance to combustibles is 50mm for TWPro and 60mm for KC, ensuring adherence to safety standards.

Yes, the Wall Sleeve is HETAS Approved and CE marked, meeting rigorous safety and efficiency standards.

Yes, the Wall Sleeve is designed to be adjustable and can be manually extended within the wall to fit perfectly.
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 Wall Sleeve 45° Adjustable - Ø 150 buyers guide

Enhance your home's safety now with the Wall Sleeve 45° Adjustable – Ø 150 – order today for reliable protection!

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