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Tekmar 521 Two Heat or Heat-Cool Programmable Features
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7 day programmable schedule
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Four hour battery-free clock backup
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Radiant floor heating
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Optimum start
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Time clock
About Tekmar 521 Two Heat Or Heat-Cool Programmable
The programmable thermostat 521 is designed for three different modes of operation: single stage heating, two stages of heating with a fan, or one stage of heating and one stage of cooling with a fan. Two auxiliary sensors may be added to measure the floor, outdoor or room temperature. A slab sensor 079 is included to measure floor temperature to protect the floor from overheating and enhance comfort. The programmable schedule supports either a 7 day or 24 hour schedule with 2 or 4 events per day. A permanent temperature hold button overrides the programmable schedule. An optional adaptor plate 012 is available to allow the thermostat to mount onto a single Gang electrical box. made in United States. Manufactured by Tekmar.
