In HVAC and industrial heating systems, furnace line voltage thermostats provide direct control of electric heating elements without requiring relays or transformers. Tempro thermostats, engineered by Senasys, deliver long-term durability, reliable temperature regulation, and safe operation across residential, commercial, and agricultural furnace installations.
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Why Use Line Voltage Thermostats in your Furnace?
Tempro thermostats are built for real-world furnace environments where consistent performance and simple installation are key. Their direct-switching design ensures straightforward wiring and minimal points of failure.
Direct Line Voltage Control
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Switches 120V or 240V directly without additional hardware
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Fewer components result in faster setup and reduced maintenance
Safety-Forward Design
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Double-pole models disconnect both lines in 240V systems
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Rugged contact construction helps prevent arcing and overheating
Proven in Harsh Installations
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Operates in areas exposed to dust, vibration, and temperature shifts
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Ideal for barns, warehouses, workshops, and utility rooms
Efficient Temperature Control
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Fast-acting contacts prevent furnace over-cycling
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Stable output improves equipment longevity and reduces wasted energy
Compatible with Various Furnace Types
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Works with electric furnaces, cabinet heaters, and unit heaters
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Broad temperature setpoints support comfort and process heating
Easy to Install and Service
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Simple wiring layout speeds up installation
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Available in NEMA 1 and NEMA 4X enclosures
Technical Specifications
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Setpoints from -30°F to 120°F with ±2°F to 3.5°F differential
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Available with 6-foot cord, fixed bulb, or remote bulb sensors
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Single- and two-stage configurations
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OEM private labeling available
Selecting the right thermostat improves safety, energy use, and long-term reliability in furnace applications. Tempro line voltage thermostats simplify control by eliminating extra components while maintaining precise temperature regulation. Built for tough environments and backed by proven performance, Tempro thermostats are a solid choice for OEMs, contractors, and facility managers seeking dependable operation and streamlined installation.



