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Thermal valves protect pumps and pump seals from overheated fluids that can damage seals and shorten seal life. Install in pump systems utilizing a closed loop bypass line or internal bypass. When the temperature of the water in the bypass line reaches the preset temperature of the valve a small amount of hot water is released which is replaced by cooler supply water. This in turn lowers the temperature of the water in the bypass line thus signaling the valve to close.
Specifications:
Closed Loop Bypass Line Systems:
Internal Bypass Pumps: