Letters

CO alarm warning

I read the New Gear testing of the digital CO alarm (May issue) with interest as I have been looking for a suitable alarm for a while now for my Hunter 272. The digital display certainly looked a great idea so I looked online and found one for a very good price. I received it this morning but looking at the symbols on the reverse of the packaging I see that it is suitable for domestic premises, caravans and motor caravans but the symbol for a yacht is crossed through!

The item I have bought would appear to be identical to the one you feature and I wonder if