For those looking for a solution. [br]
Look on reddit guide:
https://www.reddit.com/r/ValveIndex/comments/kf7mb4/guide_how_to_repair_your_valve_index_controller/
This is the replacement part:
[link|https://www.amazon.com/FJ06k-S-Sliding-Multifunction-Potentiometer-Direction/dp/B0945ZM5K2/?_encoding=UTF8&pd_rd_w=MygN6&content-id=amzn1.sym.952cfb50-b01e-485f-be6e-00434541418b%3Aamzn1.symc.e5c80209-769f-4ade-a325-2eaec14b8e0e&pf_rd_p=952cfb50-b01e-485f-be6e-00434541418b&pf_rd_r=6DSXHKCW8ZACRA9ANGEV&pd_rd_wg=8b4OK&pd_rd_r=006c726a-646d-43a1-b6a3-b3e430fb24c5&ref_=pd_gw_ci_mcx_mr_hp_atf_m|FJ06K-S Switch|new_window=true]