Hello and thank you for your question. We're sorry to hear about the issue with your torch. for safety and liability reasons, we do not sell replacement parts. All Bernzomatic torches come with a warranty against manufacturing defects from the date of purchase, though the specifics can vary...
This warranty is valid for all purchases of the TS4000, TS7000, T757, TS8000, BZ4500HS, and BZ8250 on or after June 1, 2016. This warranty does not apply to product that has been damaged as a result of improper maintenance, accident or other misuse, or which fails to operate due ...