leak-free connection to 3/16" ID tubing

technicians recommend replacing the full assembly if there is significant oxidation or if the orifice has been enlarged

Heavy-Duty Construction: Built to withstand high-torque start-ups and continuous blower operation

The Trane VAL10581 TXV

Watts 0559109 Valve 326010-701 leak-free connection to 3/16" IDThe Watts 0559109 (Model LFL1170M2 US) is a high performance 3 4 inch thermostatic mixing valve engineered for precision temperature regulation in domestic hot water and radiant heating systems. Featuring a lead free brass construction, this valve utilizes a solid wax hydraulic thermostat and a double throttling design to provide a sensitive, rapid response to inlet temperature fluctuations, maintaining a consistent outlet temperature within + 3F.