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      • × QP250C - Quiet Pack Fan - Vent AxiaQP250C - Quiet Pack Fan - Vent Axia 1 × £445.86

      Subtotal: £445.86

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    • × QP250C - Quiet Pack Fan - Vent AxiaQP250C - Quiet Pack Fan - Vent Axia 1 × £445.86

    Subtotal: £445.86

    View basketCheckout

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S&S Northern

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Screwed 240v Valve - 1+1/2'' 40mm GSV - S&S Northern
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Ancillary Kits

Screwed 240v Valve – 1+1/2” 40mm GSV – S&S Northern

£193.00 ex. VAT
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Screwed 240v Valve - 1+1/4'' 32mm GSV - S&S Northern
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Screwed 240v Valve – 1+1/4” 32mm GSV – S&S Northern

£165.00 ex. VAT
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Screwed 240v Valve - 1'' 25mm GSV - S&S Northern
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Screwed 240v Valve – 1” 25mm GSV – S&S Northern

£116.00 ex. VAT
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Screwed 240v Valve - 3/4'' 20mm GSV - S&S Northern
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Screwed 240v Valve – 3/4” 20mm GSV – S&S Northern

£99.00 ex. VAT
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Screwed 240v Valve - 1/2'' 15mm GSV - S&S Northern
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Screwed 240v Valve – 1/2” 15mm GSV – S&S Northern

£77.00 ex. VAT
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Banshee Excel Lite - Flashtone beacon - S&S Northern
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Roof Support Systems

Banshee Excel Lite – Flashtone beacon – S&S Northern

£105.00 ex. VAT
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EP-TL2  - Thermal link - S&S Northern
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Controllers

EP-TL2 – Thermal link – S&S Northern

£33.00 ex. VAT
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EM Stop - Break glass emergency top - S&S Northern
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Controllers

EM Stop – Break glass emergency top – S&S Northern

£33.00 ex. VAT
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CS2 - Current Monitor (2 X Fan Extract/Supply) - S&S Northern
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CS2 – Current Monitor (2 X Fan Extract/Supply) – S&S Northern

£121.00 ex. VAT
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PM2+ - Double Current Monitor - S&S Northern
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PM2+ – Double Current Monitor – S&S Northern

£220.00 ex. VAT
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Merlin 1000V+ - Gas Pressure Proving, Electrical Isolation & Ventilation Interlocking System incl. Gas Pressure Transducer - S&S Northern
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Merlin 1000V+ – Gas Pressure Proving, Electrical Isolation & Ventilation Interlocking System incl. Gas Pressure Transducer – S&S Northern

£620.00 ex. VAT
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Merlin 1000V - Gas Pressure Proving & Ventilation Interlocking System incl. Gas Pressure Transducer - S&S Northern
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Merlin 1000V – Gas Pressure Proving & Ventilation Interlocking System incl. Gas Pressure Transducer – S&S Northern

£595.00 ex. VAT
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1000BH - Gas Pressure Proving & Gas Detection incl. Gas Pressure Transducer - S&S Northern
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1000BH – Gas Pressure Proving & Gas Detection incl. Gas Pressure Transducer – S&S Northern

£655.00 ex. VAT
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Merlin GDP4 - 4 Channel Detector - S&S Northern
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Merlin GDP4 – 4 Channel Detector – S&S Northern

£435.00 ex. VAT
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Merlin GDP2 - 2 Channel Detector - S&S Northern
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Merlin GDP2 – 2 Channel Detector – S&S Northern

£308.00 ex. VAT
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Merlin FAB1 - Fire Alarm ByPass Panel - S&S Northern
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Merlin FAB1 – Fire Alarm ByPass Panel – S&S Northern

£231.00 ex. VAT
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Merlin 500S - Utility Isolation Panel - S&S Northern
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Merlin 500S – Utility Isolation Panel – S&S Northern

£314.00 ex. VAT
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Merlin GDP2X - Gas Detection System - S&S Northern
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Merlin GDP2X – Gas Detection System – S&S Northern

£435.00 ex. VAT
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Merlin GDPX+ - Gas Pressure Proving & Detection System - S&S Northern
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Merlin GDPX+ – Gas Pressure Proving & Detection System – S&S Northern

£875.00 ex. VAT
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Merlin 2000S - Panel incl. Gas Pressure Transducer - S&S Northern
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Merlin 2000S – Panel incl. Gas Pressure Transducer – S&S Northern

£710.00 ex. VAT
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Merlin 2000X - Panel incl. Gas Pressure Transducer - S&S Northern
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Merlin 2000X – Panel incl. Gas Pressure Transducer – S&S Northern

£820.00 ex. VAT
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Merlin CT1650+ - Ventilation Interlock System with Current Monitoring - S&S Northern
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Merlin CT1650+ – Ventilation Interlock System with Current Monitoring – S&S Northern

£435.00 ex. VAT
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Merlin CT1250 - Gas interlock system with two built in current monitors - S&S Northern
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Merlin CT1250 – Gas interlock system with two built in current monitors – S&S Northern

£380.00 ex. VAT
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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
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  • Utility Room Fans
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  • Box Fans
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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

 

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© 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
  • Home
  • Domestic Fans
    • Bathroom / Kitchen Extractor Fans
    • Centrifugal Inline Fans
      • Heat Recovery & Wholehouse Units
    • Fan Inserts
    • Mixed Flow Inline Fans
    • Utility Room Fans
    • Window & Wall fans
  • Commercial Fans
    • Box Fans
    • Bifurcated Axial Flow Fans
    • Cased Axial Fans
    • Gigabox Centrifugal Fans
    • Heater Batteries
    • Medium Pressure Fans
    • Plate Axial Fans
    • Roof Mounted Fans
    • Rectangular Duct Fans
    • Twin Fans
  • Controllers & Accessories
    • Ancillary Kits
    • Anti Vibrations Mounts
    • Backdraft Shutters & Dampers
    • Controllers
    • Fan Guards
    • Filter Boxes & Media
  • Controllers & Accessories Cont.
    • Flanges
    • Flexible Connectors
    • Louvre Shutters
    • Mounting Feet
    • Other Accessories
    • Roof Fan Accessories
    • Silencers
    • Valves, Grilles & Louvres
  • Clearance Fans & Fan Accessories
  • Contact Us
  • Support
    • Useful Info
    • Credit Account Application
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