how can i ajust the thermostat correctly on my oil filled radiator it is a ( ufesa. model RA3426N ) i have tried ajusting the scew on the thermostat but cant seem to get it set correctly it is either staying to hot or its to cool it has a slide control to operate itwilliam

william, October 2007

I have a Ufesa heater (R-510) fitted with a thermostat, however there are absolutely no wires attached to the thermostat. I suspect yours is different, but just in case you haven't checked! (There doesn't seem to be any invisible internal wiring either)

Tony Degnen, January 2008