Valve Sizing Tool

Optitherm - Lever Clutch Mechanism

 

The Optitherm thermostatic tap is so rich in design features that it is probably not surpirsing that some features are occasionally overlooked. The clutch release mechanism on its levers is one such feature.  It is designed to protect the tap from intentional or accidental abuse. Correcting an 'out-of-phase' lever is straightforward as shown in the short narrated video clip above.