Question: Where can I get Wire Harness No.3 TUH113 for Tuttnauer Model?
Answer: You may get the Wire Harness No.3 TUH113 for Tuttnauer Model for Tuttnauer  Sterilizer model HERE

Details
Large-sized 3 Pin Connector with jumper
23″ lg.; Red and Black wiring (twisted)
Three conductor wire connector with jumper, #8 Spade Terminals
Use with Simulator (PT100) (RPI Part #TUT114)
Also included in the Diagnostic Smart Kit® (RPI Part #TUK108)

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