Question: Where can I get Plunger valve kit (3mm) TUK082 for Tuttnauer Model?
Answer: You may get the Plunger valve kit (3mm) TUK082 for Tuttnauer Model for Tuttnauer  Sterilizer model HERE

Viton® plunger seat
Includes all parts as shown
Also Available: Solenoid Valve (3mm)

Air-vent/Exhaust Valve, Compressor and Vent Valves on Models EZ9, EZ10 & EZ10k
Air-vent/Exhaust Valve and Vent in Manifold Block on Models 1730E/EK, 2340E/EK, 2540E/EK & 3870E

Thank you –
~Shlomo Savyon
Your Sterilizer expert