On Sat, 28 Jan 2006 13:50:42 +0000, Huge wrote:

I need a small extractor fan with decent closure of the shutters when it's
switched off. We have a "Greenwood Airvac" in our bathroom which is fine
when extracting, but allows a small gale back through the back-draught
flaps when closed.

A couple of the ones in the Screwfix catalogue mention "thermoelectric"
shutter actuators. What's that all about, then?

Have you asked the screwfix techinal helpline to explain the term ?

Rick