While on the general theme. You may wish to set =A0your Ozzie watchdogs on these people: If it DOES in fact include an ioniser you can take the last item off the li= st. If the thermal time constant of the over temperature cutout is < 1 uS you can remove item 2. They are selling one of these on the local auction site and it seemed that it may suit my requirement so I went looking for information on it. =A0=A0 =A0 =A0=A0http://www.topbuy.com.au/tbcart/pc/2000-Watt-Ceramic-Wall-= Heater-White-AH28LTI-p1934.htm Using the more efficient Ceramic heating element means the heater's operating temperature is lower so that it is even below the burning temperature of paper .... The built in over heating thermal cut off mechanism activates in a millionth of a second to doubly ensure your safety. .... The latest in heater design using a ceramic heating element Massive surface area for high heating efficiency Built in ioniser for cleaner, fresher air --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .