The present invention is a faucet which can be opened to a user settable degree, thus allowing a user to set the water temperature. The faucet knob has an internal cavity which houses a left-hand threaded sleeve. As the faucet knob is turned counter-clockwise, a threaded stop collar, which matingly engages...http://www.google.fr/patents/US5467967?utm_source=gb-gplus-shareBrevet US5467967 - Water temperature control device