hi,
when attempting to remove the heat recovery ventilators, i found they
are secured with a tamperproof screw.
ive contacted the manufacturer and been told i need to buy either a
screwdriver:
http://www.i-sells.co.uk/advanced_se..._description=1
or a drill bit:
http://www.i-sells.co.uk/advanced_se...on=1&x=69&y=16
just wondered whether these can be bought anywhere else?
thanks