I don't think I've ever worn a tip out, I have switched types a couple of times, pencil tip to chisel and back to pencil. On my old Weller 25 I did have to replace the collar that secures the tip once.
What size rolls of solder are you buying? I've been using the same 1 lb roll for at least 10 years and over a hundred pedals? I'm just about to start my second roll.
Oops, I didn't notice that letter difference, Stomp Box Parts has the correct ones I believe.
https://stompboxparts.com/integrated-circuits-ics-/h11f1-optoisolator-ic/