Patent ID: RE44273

Claim:
A thermostatic control valve assembly for mixing a hot fluid and a cold fluid for discharge at a controlled temperature, the valve assembly comprising: a valve housing having a fluid outlet and separate hot and cold fluid inlets; said valve housing including a mixing chamber in fluid communication with said outlet; flow control valve means, fluidly coupled with said hot and cold fluid inlets and said mixing chamber, for controllably mixing hot and cold fluid received through said hot fluid inlet and said cold fluid inlet, respectively, and supplying the mixed fluid to said mixing chamber; and a multiple response thermostat disposed within said mixing chamber between said outlet and said flow control valve means, said multiple response thermostat including a first thermostat portion having a first response rate and a second thermostat portion having a second faster response rate, said first thermostat portion being connected in series with said second thermostat portion and said second thermostat portion being operably connected to said flow control valve means.