O rings are available on eBay etc.
Tip: Wrap some plumbers PTFE tape around the thread of the hatch for a watertight seal.
The man at the factory who made covers died during Covid and they haven’t found a replacement.
I have found a 5m speedboat cover works well. I don’t know your location so I can’t recommend a supplier.
East Coast Sailboats have the widest range of spares in the USA.
Paul
Weta Sydney
