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450MM (18 Inch) Chimney Flue - Commercial Flue SWPro | National Flues

At National Flues, our 450mm (18 inch) chimney flue range includes a variety of products such as adaptors, boiler adaptors, pipes, elbows, tees, supports, terminals, and accessories. Our commercial flue SWPro collection offers reliable solutions for your flue system needs, designed for efficiency and durability.

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Call our TWPro advisers on 01670 206 999 if you need any helping with your system design.

£140.99

3-450-036

Lid - Ø 450

Lid - Ø 450

OUT OF STOCK

£196.49

3-450-037

Lid with drain - Ø 450

Lid with drain - Ø 450

OUT OF STOCK

£332.99

3-450-038

Elbow 87° - Ø 450

Elbow 87° - Ø 450

OUT OF STOCK

£484.99

3-450-039

Tee 93° - Ø 450

Tee 93° - Ø 450

OUT OF STOCK

£588.99

3-450-060

Adjustable base support from 50 to 80 mm - Ø 450

Adjustable base support from 50 to 80 mm - Ø 450

OUT OF STOCK

£422.99

3-450-061

Consolate plate - Ø 450

Consolate plate - Ø 450

OUT OF STOCK

£344.99

3-450-090

Cap - Ø 450

Cap - Ø 450

OUT OF STOCK

£382.99

3-450-091

Antiwind cowl - Ø 450

Antiwind cowl - Ø 450

OUT OF STOCK

£182.99

3-450-093

Cone - Ø 450

Cone - Ø 450

OUT OF STOCK

£384.99

3-450-102

Increaser 2 diameters - Ø 450

Increaser 2 diameters - Ø 450

OUT OF STOCK

£527.49

3-450-104

Non-concentric increaser 2 diameters - Ø 450

Non-concentric increaser 2 diameters - Ø 450

OUT OF STOCK

£655.49

3-450-108

Reducer 2 diameters - Ø 550

Reducer 2 diameters - Ø 550

OUT OF STOCK

£547.99

3-450-135

Inspection Tee - Ø 450

Inspection Tee - Ø 450

OUT OF STOCK

£464.99

3-450-136

Ø 100 inspection tee 0,5 m - Ø 450

Ø 100 inspection tee 0,5 m - Ø 450

OUT OF STOCK

£658.99

3-450-202

Increaser 3 diameters - Ø 450

Increaser 3 diameters - Ø 450

OUT OF STOCK

£670.49

3-450-204

Non-concentric increaser 3 diameters - Ø 450

Non-concentric increaser 3 diameters - Ø 450

OUT OF STOCK

£1,235.49

3-450-208

Reducer 3 diameters - Ø 650

Reducer 3 diameters - Ø 650

OUT OF STOCK

£215.49

3-450-BA-398

Boiler adaptor - Ø 450

Boiler adaptor - Ø 450

OUT OF STOCK

£215.49

3-450-BA-403

Boiler adaptor - Ø 450

Boiler adaptor - Ø 450

OUT OF STOCK

£117.99

3-450-BA-448

Boiler adaptor - Ø 450

Boiler adaptor - Ø 450

OUT OF STOCK

Your 450MM (18 INCH) Questions Answered

What materials are used in the construction of 450mm chimney flues? -

Our 450mm chimney flues are typically constructed from high-grade stainless steel, ensuring durability and resistance to corrosion.

Do I need professional installation for a 450mm chimney flue system? +

Are there any maintenance tips for 450mm chimney flues? +

Can I connect multiple appliances to a single 450mm chimney flue? +

Do you offer customization options for 450mm chimney flues? +

How can I determine the right size of 450mm chimney flue for my property? +

Are 450mm chimney flue systems suitable for both new installations and retrofits? +

... +

When it comes to commercial flues, the 450mm (18 inch) range is crucial for proper ventilation and safety. Our products, including reducers, increasers, adaptors, and more, are crafted with precision and compliance to meet industry standards. Whether you're setting up a new flue system or upgrading an existing one, our 450mm range provides the components you need to ensure optimal performance and longevity.
Why Buy 450MM (18 INCH) Products
The 450mm (18 inch) chimney flue products are commonly used in commercial settings such as restaurants, factories, and large buildings where a robust flue system is required. These flues help to efficiently channel exhaust gases from boilers, ovens, and other heating appliances out of the building, maintaining a safe and healthy indoor environment.

Trusted By Trade Professionals

Our 450MM (18 INCH) products and services are trusted by hundreds of professionals nationwide. We're committed to providing quality and reliability that meets the high standards of our customers.

Dedicated Support

Experience our unparalleled customer service and support when you buy 450MM (18 INCH) from National Flues. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.

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