Patent ID: 7487923
Filing Date: 2009-02-10
Classification: E03B,E03C,F24D,Y10T

Abstract:
1. A valve assembly including: a housing having a water supply inlet, a hot water outlet, a cold water outlet, a hot water flow passage between said water supply inlet and said hot water outlet and a cold water flow passage between said water supply inlet and said cold water outlet; hot water valve means adapted to open said hot water flow passage in response to entry of water above a predetermined temperature into said housing through said water supply inlet and to close said hot water flow passage in response to entry of water below said predetermined temperature into said housing through said water supply inlet or in response to water in said housing cooling below said predetermined temperature; and cold water valve means adapted to open said cold water flow passage in response to entry of water below said predetermined temperature into said housing through said water supply inlet or water in said housing cooling below said predetermined temperature and a predetermined drop in pressure at said hot water outlet and to close said cold water flow passage in response to entry of water above a predetermined temperature into said housing through said water supply inlet and a predetermined increase in pressure at said hot water outlet.