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Tekmar 521 model is a thermostat designed for three different modes of operation: 1-stage heating, 2-stage heating w/ a fan, or 1-stage heating and 1-stage cooling with a fan. 079 slab (floor) sensor is included for use with radiant heated floors. Another auxiliary sensor may be added to measure outdoor temperature. 521 thermostat combines a simple, easy-to-navigate button interface with large backlit screen together with 24hr or 7-day programmability and offers a reliable, time-proven and flexible means for indoor temperature control.
Technical Specifications:
Features:
Technical Specifications:
- Stages: 1 Heat -or- 2 Heat + Fan -or- 1 Heat + 1 Cool + Fan
- Interface: Button
- Screen: Monochrome, backlit
- Mounting: Vertical
- Electrical Ratings: 10 to 30 VAC, 50/60 Hz, 1.8 VA standby, 56 VA max fully loaded, Class 2
- Setting Temperature Range: 40 to 122°F (4.5 to 50.0°C)
- Relay: 30 VAC, 2 A, Class 2 circuits
- Sensor: NTC thermistor (Slab Sensor 079 included)
- Ambient conditions: Indoor use only, 32 to 122°F, RH≤90% non-condensing
- Enclosure material: White PVC Plastic, NEMA type 1
- Dimensions: 3-11/16" x 3" x 15/16"
- Packaged weight: 0.6 lbs
Features:
- 7-day programmable
- Time clock
- Large backlit screen
- Compatible with a floor sensor (included - model 079) for radiant heat applications
- Temperature hold function
- Freeze protection
- Made in Canada