"From 1 April 2019, sailors using some of the UK’s harbours and waterways will have to fit a carbon monoxide alarm
on their boat
.The new regulation follows a public consultation by the Boat Safety
Scheme (BSS) and will affect those cruising the Scottish Canals, BWML marinas
, Bristol Harbour, all Canal
& River Trust waterways, The Broads, the rivers Medway, Thames, Blackwater, Chelmer, Cam, Dee, Wey, and other waterways run by BSS-regulated navigation
authorities. It will apply to all classes
of boat with accommodation."
I installed one when I installed heat. A boat just isn't ventilated like a house. (Chesapeake Bay).