The Tandem Tech | Cash Cryogenic Valve – Rebuild Kit contains all OEM replacement seals, seats, and wear parts for rebuilding a Tandem Tech Cash cryogenic valve used in LN2 cold trap automation systems on short-path and wiped-film distillation equipment. Rebuilding a worn cryogenic valve restores reliable, low-temperature sealing performance and prevents LN2 leakage in automated cold trap control systems. Recommended during annual preventative maintenance.