A thermal by-pass valve with integral pressure relief including a body having an inlet port and a pair of aligned outlet ports and a T-shaped passage connecting the ports, a temperature sensitive valve element movably mounted in said passage adapted to close one of the outlet ports in one position and the other of the outlet ports in another position, a pressure sensitive valve element in the passage adjacent the first inlet port and contacting the temperature sensitive valve element to close that port when the temperature sensitive valve element is in the one position, and means movably mounting the pressure sensitive valve element to break the contact whenever the pressure exceeds a predetermined value.
展开▼
