nostr:npub16jupxu70nh0pg0wt4maseaf2fg3kv2tgcjal2kaaunms2ltdaxysdry8u7 when I had my meter replaced the installer replaced my existing isolator with a new one for free (it had a minor crack in it)

Maybe just buy one from Screwfix or wherever, screw it to the backboard and offer good quality biscuits with tea