Trusted Brand Tekmar 521 Two Heat or Heat-Cool Programmable Thermostat

The Tekmar 521 Two Heat or Heat-Cool Programmable Thermostat is a versatile solution for managing heating and cooling systems. This thermostat supports single-stage heating, two-stage heating with a fan, or combined heating and cooling. It includes the 079 Slab Sensor to measure floor temperatures.

• 7-day programmable schedule
• Includes 079 floor sensor
• Supports fan control

Product Highlights

Designed for flexibility, the Tekmar 521 thermostat can be used in both residential and commercial applications. The floor sensor helps maintain optimal comfort by preventing overheating. The display shows both outdoor and floor temperatures, and the schedule can be set for 7 days with 2 or 4 events per day.

Product Information

Standard Information

• Brand: Tekmar
• Model: 521
• MPN: 521
• Color: White

Technical Specifications

• Operating Modes: Single stage heat, two-stage heat with fan, single stage heat and cool with fan
• Sensor Included: 079 Slab Sensor
• Programmability: 7 day with 2 or 4 events per day
• Temperature Range: 40°F to 95°F (Heating), 50°F to 100°F (Cooling)
• Voltage: 10 to 30VAC/DC
• Mounting: Single gang electrical box
• Dimensions: 3-11/16 inches height
• Power Method: Hardwired