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Wet back leaking inside the wood burner

I have a Logaire Pegasus wood burner with a wet back. It is dripping inside the burner. It also has creosote on the plumbing on the outside. I would like the wet back either removed completely or replace with a new one. If replaced, pleas supply the correct wet back to fit and replace it. If wet back part is not available, I would like the wet back removed and all plumbing removed and all plumbing cut and capped. I still want to continue to use the wood burner safely after the wet back has been completely removed. Please provide costs for both options.