Description
The Watts 0559109 3/4″ Hot Water Temperature Control Valve 60°F – 120°F L1170-US is a thermostatic valve to regulate and maintain hot water within HVAC systems. It automatically adjusts water flow to ensure the set range, commonly installed in domestic hot water loops, hydronic heating circuits, and radiant floor systems. By controlling the valve, it protects equipment such as boilers, pumps, and heat exchangers from thermal stress while supporting consistent system performance and user comfort. Its design allows for straightforward integration into existing piping.
