Tekmar Controls 563 Thermostat 321142-301 This high-capacity thermostatic mixing valve

This high-capacity thermostatic mixing valve repair kit is specifically engineered for the standard 90°F to 140°F temperature range

Operating on a 120Vac supply

This 740 series valve is rated for a maximum temperature of 250°F (121°C)

We recommend inspecting the existing spacers and gaskets during the teardown

Tekmar Controls 563 Thermostat 321142-301 This high-capacity thermostatic mixing valveFor professional contractors managing multi stage conventional or heat pump systems, the Tekmar 563 Thermostat offers a robust, high performance interface for total climate control. This WiFi enabled thermostat serves as a central hub, supporting 2 stage heating and 2 stage cooling in conventional setups, and up to 4 stage heating and 2 stage cooling in heat pump applications. It integrates seamlessly with the Watts Home mobile app, allowing for