SWISCO - The Replacement Hardware Authority

Ferndale Replacement locks

A home owner from USA says:
Please help me identify which new locks to purchase:
My locks are Ferndale
US Patent: 5125703
This number is in the middle of the handle: D340398
Attached are photographs Please help me identify which lock set will replace these. I forgot to attach to my previous email.
User submitted photos of patio door hardware.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting! For the mortise lock, consider our 82-229. For the handle set, it could be either our 82-034 or 82-75, depending on the thickness of your door.
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