Only use a multimeter to check for continuity across the terminals when the reset button is engaged

technicians can significantly improve system performance and maintain the rated SEER efficiency of the unit

reducing the risk of packing leaks

Will this fit a 3/16 inch or 1/4 inch shaft

Watts 0559118 Valve Union Sweat 30067439-890 Only use a multimeter toThe Watts 0559118 LFMMV 3 4 Mix Union Sweat Valve is a lead free thermostatic mixing valve designed for professionals requiring precise fluid control in residential and commercial domestic potable water systems. Built with a cast copper silicon alloy body, this valve utilizes a solid wax hydraulic principle thermostat to deliver a stable tempered water supply, even during significant pressure fluctuations. This unit is triple certified to meet ASSE