Question: Where can I get Tuttnauer Model TUK050 Thermostat knob?
Answer: You may get the Tuttnauer Model TUK050 Thermostat knob for Tuttnauer  Sterilizer model HERE

Details
Material: Black plastic
Size: Fits .250″ dia. ‘D’ Shaft; 1.61″ OD x .85″ tall
Also available: Timer (30 Minute) and Timer (60 Minute)
Fits: Timer and Thermostat (1/4″ dia. ‘D’ Flat Shaft)

VIDEO

Thank you –
~Shlomo Savyon
1-800-762-1586
Your Sterilizer expert