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Rotorvent Spinning Cowl

£133.07 (ex. VAT) £159.68 (inc. VAT)


The Rotorvent is a spinning cowl and ventilator, designed to cure the problems associated with downdraught. It is suitable for use with appliances burning all types of fuel; oil, gas, coal, wood.


  • Fits 80 – 250mm flue sizes.
  • 316 grade stainless steel rotor structure.
  • Pressure die cast LM6 aluminium base.
  • Tested from minus 20°C to 200°C.
  • Money-back guarantee.
  • Revolutionary fin-fixing method which combines threading the fin through the base of the structure and finishing with spotwelding (see diagram).
  • One size only.
  • The Rotorvent complies with and has been tested to BS715:1993 and does not require a birdguard for gas applications.