Skip to content

Search for:
- - × KWL YOGA 700 EV/WW - Decentralised Compact Ventilation Unit With Heat Recovery - Helios 1 × £10,007.48
  - × RVS 500 - Helios - Back Draught Shutter 1 × £199.64
  - × Twinflow STDL125-1EC - Centrifugal Box Fan (Circular Spigot) - Elta 1 × £1,301.00
  - × VK 250 - Helios - Gravity Shutter 1 × £40.00
  - × Twinflow STDL400-1EC - Centrifugal Box Fan (Circular Spigot) - Elta 1 × £3,032.00
  - × RAG 250 - Helios - Rain Repellent Grille 1 × £100.92
  - × KABB/4 3000/315 - Soler And Palau - Single Phase 4 Pole - Acoustic Centrifugal Kitchen Extract Fan 1 × £1,440.97
  - × HPA630/4-1A - Elta - Plate Mounted Axial Flow Fan 1 × £366.68
  - × SQSDCV250-1ECL - Quietflow Centrifugal Box Fan - Elta 1 × £1,548.09
  - × 068-0315-2DEP - 315mm - Flanged Silencer - Elta 1 × £171.00
  - × Quick-Fit Reducer - 400mm Main Duct - Galvanised - Nordfab 1 × £39.69
  - × 060A-0560-C Powder Coated Mounting Feet - Elta 1 × £71.00
  - × VDD 400/4 T120 - Mixed flow roof fan - 3 ph - Helios 1 × £1,736.58
  - × Raptor SDA500/46-3AC - Elta - Case Mounted Axial Flow Fan 1 × £719.00
  - × MK 200/225 - Helios - Mounting Feet (2 PCS.) 1 × £38.40
  - × WHR 200 - Helios - Water Heater Battery For Circular Ducting 1 × £376.26
  - × Quick-Fit Reducer - 350mm Main Duct - Galvanised - Nordfab 1 × £42.84
  - × Quick-Fit Reducer - 300mm Main Duct - Galvanised - Nordfab 1 × £37.29
  - × VR 400 - Helios - Extension Flanged Casing 1 × £107.50
  - × 068-0250-JF3 - 250dia - 900mm Long - Spigot Silencer - Elta 1 × £102.00
  - × TCBT/4-800/H-B (7.5KW) - *400V 50* - Compact Cased Axial Fan - Soler & Palau 1 × £1,207.24
  - × HPA250/2-1A - Elta - Plate Mounted Axial Flow Fan 1 × £123.60
  - × STS 250 - Helios - Flanged Flexible Connector 1 × £75.69
  - × DEF-315 T - Wire Protection Guard (Inlet) - Soler & Palau 1 × £45.15
  - × Non Insulated Flexible Duct - 250mm Diameter 1 × £19.00
  - × Raptor SPA560/4-1AC - Elta - Plate Mounted Axial Flow Fan 1 × £881.00
  - × IP-FBA 180 - Facade panels - Helios 1 × £77.25
  Subtotal: £23,907.27
  
  View basket Checkout

Basket
- × KWL YOGA 700 EV/WW - Decentralised Compact Ventilation Unit With Heat Recovery - Helios 1 × £10,007.48
- × RVS 500 - Helios - Back Draught Shutter 1 × £199.64
- × Twinflow STDL125-1EC - Centrifugal Box Fan (Circular Spigot) - Elta 1 × £1,301.00
- × VK 250 - Helios - Gravity Shutter 1 × £40.00
- × Twinflow STDL400-1EC - Centrifugal Box Fan (Circular Spigot) - Elta 1 × £3,032.00
- × RAG 250 - Helios - Rain Repellent Grille 1 × £100.92
- × KABB/4 3000/315 - Soler And Palau - Single Phase 4 Pole - Acoustic Centrifugal Kitchen Extract Fan 1 × £1,440.97
- × HPA630/4-1A - Elta - Plate Mounted Axial Flow Fan 1 × £366.68
- × SQSDCV250-1ECL - Quietflow Centrifugal Box Fan - Elta 1 × £1,548.09
- × 068-0315-2DEP - 315mm - Flanged Silencer - Elta 1 × £171.00
- × Quick-Fit Reducer - 400mm Main Duct - Galvanised - Nordfab 1 × £39.69
- × 060A-0560-C Powder Coated Mounting Feet - Elta 1 × £71.00
- × VDD 400/4 T120 - Mixed flow roof fan - 3 ph - Helios 1 × £1,736.58
- × Raptor SDA500/46-3AC - Elta - Case Mounted Axial Flow Fan 1 × £719.00
- × MK 200/225 - Helios - Mounting Feet (2 PCS.) 1 × £38.40
- × WHR 200 - Helios - Water Heater Battery For Circular Ducting 1 × £376.26
- × Quick-Fit Reducer - 350mm Main Duct - Galvanised - Nordfab 1 × £42.84
- × Quick-Fit Reducer - 300mm Main Duct - Galvanised - Nordfab 1 × £37.29
- × VR 400 - Helios - Extension Flanged Casing 1 × £107.50
- × 068-0250-JF3 - 250dia - 900mm Long - Spigot Silencer - Elta 1 × £102.00
- × TCBT/4-800/H-B (7.5KW) - *400V 50* - Compact Cased Axial Fan - Soler & Palau 1 × £1,207.24
- × HPA250/2-1A - Elta - Plate Mounted Axial Flow Fan 1 × £123.60
- × STS 250 - Helios - Flanged Flexible Connector 1 × £75.69
- × DEF-315 T - Wire Protection Guard (Inlet) - Soler & Palau 1 × £45.15
- × Non Insulated Flexible Duct - 250mm Diameter 1 × £19.00
- × Raptor SPA560/4-1AC - Elta - Plate Mounted Axial Flow Fan 1 × £881.00
- × IP-FBA 180 - Facade panels - Helios 1 × £77.25
Subtotal: £23,907.27

View basket Checkout

Home
Domestic Fans
Commercial Fans
Controllers & Accessories
Controllers & Accessories Cont.
Clearance Fans & Fan Accessories
Contact Us
Support
- Useful Info
- Credit Account Application

Home / Roof Support Systems

Awaiting product image

Reducer – 250mm Diameter

£13.11 ex. VAT

Reducer - 250mm Diameter quantity

SKU: ad3645a23bbb Category: Roof Support Systems Tag: 250mm

Description

Reducer – 250mm Diameter

This reducers largest size is 250mm.

Please select the smaller size.

Ventilation Experts is the online shop powered by L&B Ventilation Supplies Ltd. We are an independent distributor and stockist to the Heating, Ventilation & Air conditioning (HVAC) industry.

Popular Products

Bathroom / Kitchen Extractor Fans
Utility Room Fans
Window & Wall fans
Plate Axial Fans
Cased Axial Fans
Bifurcated Axial Flow Fans
Box Fans

Customer Services

Contact Us
Delivery
Returns Policy
About us
Terms & Conditions
Cookie Policy

Come and see us

Norwich Branch:

4 Albertine Close,

Sweet Briar Industrial Estate,

Norwich NR3 2FA

Chelmsford Branch:

Unit 3 Grafton Place,

Dukes Park Ind Est,

Chelmsford, CM2 6TG

Monday to Friday 6:00am – 5:00pm

Follow us

© Ventilation Experts 2025. Ventilation Experts is a trading name of L&B Ventilation Supplies Ltd. Online prices are for a limited time only, and subject to change see our full Terms & Conditions. Registered in England and Wales No. 10679544. Unit 4 Albertine Close, Sweet Briar Industrial Estate, Norwich, Norfolk, NR3 2FA. Website by JMJ Digital

Search for:
Home
Domestic Fans
Commercial Fans
Controllers & Accessories
Controllers & Accessories Cont.
Clearance Fans & Fan Accessories
Contact Us
Support
- Useful Info
- Credit Account Application
Login

Login

Username or email address *

Password *

Remember me

Lost your password?

Register

Email address *

Password *