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Product Description
- 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
- Slab Sensor 079 is included to measure floor temperature
- Features: 7 day programmable schedule, backlight, cooling, fan, 4 hour battery-free clock backup, and optimum start
- Features: Outdoor and floor temperature display, permanent temperature hold, radiant floor heating, time clock, and 2-stage heating
Manufacturer Part Number: 521
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.
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.
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
Return Policy
Return could only be applied within 7 days after delivery.
Note
This product is not eligible for coupon code discount, for we've been offering the best price in the market.
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