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Metal Reducers

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Metal Reducers
Inc Vat £6.82 Excluding VAT £5.68
Metal Reducers

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Metal Reducers

Manufactured from Galvanised Metal

Constructed of high quality durable galvanised metal

Manufactured without seals

Male Spigots, will fit inside round metal ducting or female sockets

Made in the UK

Perfectly suited for ducting your Ventilation system, Kitchen extractor fan, bathroom fan or In-Line Extract Fans

Can be used to connect long ductwork run for a variety of purposes including whole house ventilation, passive stack vent, positive input, air conditioning, HVAC, and Heat Recovery Systems

Key Features:

  • UK Manufactured
  • Pipe ends are female and will accept male fittings such as bends and grilles.
  • Lengths of duct channel can be joined together using a male connector.
  • Easy to install and durable, just push-fit duct and fittings together.
  • Compatible with most other manufactures
  • Extensive range of fittings, outlets, and grilles available
  • Galvanised male coupling, used to join circular ducts or other female fittings
  • This version is supplied without 'safe' push fit seals
  • Fittings without safe seals should be joined using appropriate fixing methods
  • Our fittings are produced in accordance with DW144 with a zinc coating weight of 275g/m2, and have a rolled edge for safer handling and improved alignment


Compatible with most other lead manufactures for Galvanised Metal Ducting


Solid Rigid ducting is suitable for use in all buildings to provide superior airflow performance vs. comparative size rectangular or flexible pvc or Aluminium duct. Suitable to use in compliance with Part F Building Regulations.


To provide the best performance in airtightness and durability we recommend You provide greater mechanical strength to a joint by using a combination of Plastic Ducting Sealant and Aluminium Duct Sealing Tape

  1. Apply Duct sealant to the male fitting

  2. Push together

  3. Apply Aluminium Duct Sealing Tape over joint

Alternatively, you can use self-sealing fittings that speed up the time taken by up to 70% and can be easily dismantled

Insulation of Ductwork

It is important that any ducting located in a cold area (e.g. loft space) to be insulated. The insulation needs to be the equivalent of 25mm thick and have a thermal conductivity of 0.04W/(m.k) or less.

This ensures that condensation doesn’t form due to the difference in air temperature inside the duct when compared to the air temperature in the cold space.

If you don’t have a loft space there is still a need for insulated ducting on the intake and exhaust legs, as they will be carrying cold air in a warm space. The level of insulation can be achieved by wrapping duct in a layer of 25mm duct wrap that has a silver foil face on a 25mm rockwool

It is also worth noting that foil wrap with air bubbles (bubble wrap) is no longer applicable in building control regulations


Metal reduces are available in a range of sizes:

- 125 - 100 Reducer

- 150 - 100 Reducer

- 150 - 125 Reducer

- 160 - 150 Reducer

- 180 - 150 Reducer

- 180 - 160 Reducer

- 200 - 150 Reducer

- 100 - 160 Reducer

- 250 - 150 Reducer

If you require larger ductwork we recommend you use Metal Spiral ducting and fittings due to superior strength

Benefits of working with BPC Ventilation

  • Authorised distributors
  • In-House design service
  • In-House Technical support
  • Specialists in easy to install DIY systems
  • 1000s of products in stock in our own warehouse
  • Large showroom with working units on display
  • Installer network throughout the UK and Ireland
  • All systems comply to all the latest building control regulations 
  • 0% Finance available 
Technical Specification

Technical Specification

Metal Reducers Technical Specification

 125-100150-100150-125160-150180-150180-160200-150 200-160 250-150
 Product TypeReducerReducerReducerReducerReducerReducerReducer Reducer Reducer
 Length (mm)125150150160180180 200 200 250
 Width (mm)125150150160180180200 200 250
 Weight (Kg)0.1400.1600.1700.2500.2400.2700.340 0.260 0.560
 Temp Max (°C)200200200200200200200 200 200
 Product CodeR125100MR150100MR150125MR160150MR180150MR180160MR200150M R200160M R250150M
 EAN - Barcode506058691145450605869130905060586913106506058691311350605869131205060586913137506058691314450605869131515060586913168


World Wide Delivery Service

BPC have years of experience in delivering equipment around the UK and other Worldwide destinations. Our dedicated customer service team work hard to ensure the highest standards are met so that your goods arrive on-time and in pristine condition.

Our market knowledge and experience allow us to match our service to meet your requirements swiftly and safely.

Free Delivery

We offer free delivery on any order over £200 to any mainland UK or Ireland address

Worldwide Delivery

Worldwide delivery is possible on almost all our products at very low delivery costs, Delivery to countries outside the EU are normally delivered to the nearest customs office, port or terminal for the purchaser to collect and complete custom clearance

Please contact us to confirm shipping cost and availability 

End-To-End Support

Delivery is available within 48 hrs in most cases for hundreds of stock items. Our customer service teams always contact customers to confirm when delivery is required and to check that the goods can be received. Any problem from the customer’s end is accommodated and arrangements changed.

These checks are part of a unique commitment to building relationships with customers, understanding their specific delivery needs and responding to them positively and promptly.

We deliver on Service

  • Key components such as Ductwork and fittings plus the most popular selling MVHR units are kept in stock in our UK-based warehouse, which means that you receive the best possible delivery dates.
  • All goods are expertly packed by a professional team so that your equipment is received in pristine condition ready for installation.
  • All deliveries co-ordinated to suit your specific requirements and construction programme.
  • Specialist team fully conversant with all documentation requirements for a smooth order and delivery service.

Delivery Costs

Please click here to view delivery costs

Delivery Partners

We only use the couriers with the highest standard of service that include

  • DPD
  • Parcelforce
  • Pallet Network
  • Speedy freight

Delivery Serivices