Patent ID: 9139985
Filing Date: 2015-09-22
Classification: E03B,F24D,Y02A,Y10T

Abstract:
1. A valve assembly for a water circulation system, the valve assembly comprising: a bypass valve with an inlet and an outlet that permits recirculating flow of water from a hot water line of the water circulation system, the bypass valve being movable between open and closed positions based on a bypass condition, the bypass valve allowing bypass flow in the open position and the bypass valve restricting bypass flow in the closed position; and a shut-off valve with a valve body having a hot water inlet and a hot water outlet configured to be coupled to a fixture of the water circulation system, the shut-off valve being located proximate the fixture and operating in an open position allowing water to flow to the hot water outlet and a closed position restricting water from flowing to the hot water outlet, wherein the shut-off valve is movable between the open and closed positions based on a shut-off condition to limit discharge, from the hot water outlet, of water having a temperature below a desired level; the bypass valve being movable between the open and closed positions to allow or restrict bypass flow irrespective of the shut off valve being in the open position or being in the closed position.