The tekmarNet thermostat 557 with tN2 house control 406 is a touch-screen thermostat that provides advanced tempera-ture control for systems with up to four stages of heating and two stages of cooling. The 557 operates an air-to-air and water-to-air heat pump for effective control of forced-air systems with optional floor heating. When combined with a tN2 house control 406, the 557 supports hot and chilled water fan coil operation as well as radiant floor heating and cooling.House control

tekmar Controls.


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