Robertshaw 802 DPST Line Voltage Electric Heat Thermostat

Meet the Robertshaw 802: Mercury-Free, Line Voltage Control

The Robertshaw 802 is a mercury-free thermostat designed for baseboard or radiant electric heating systems using 120, 240, or 277 V. It combines a robust DPST switch with precise temperature sensing to offer reliable control across a practical 50°F to 90°F (10°C to 32°C) range. With an easy-to-read display, you can set and monitor room comfort at a glance, while the positive OFF position helps you shut down the system when you want to save energy or improve safety.

Key benefits at a glance

• Broad replacement potential: Replaces most electric heat models, ideal for baseboard or radiant setups.
• Precise readings: Bimetal sensing delivers control accuracy within +/- 2°F for steady comfort.
• Fast, simple installation: J-Box compatibility supports quick wiring and mounting.
• Safety-focused design: Positive OFF switch ensures a clear shutdown state.
• DPST control: Double-pole, single-throw action provides reliable, decisive operation.

Performance and compatibility details

Designed for versatility, the 802 handles diverse voltages with solid ratings: 25 A at 250V AC RES, 18 A at 277V AC RES, 1 HP at 125V AC, and 2 HP at 250V AC. This makes it suitable for many residential electric heating installations where a solid, mercury-free control is preferred. The temperature control range is well suited for adjusting living spaces to your preferred level of warmth, and the at-a-glance display keeps you informed without fumbling with settings.

Practical use scenarios

In everyday use, this thermostat supports a comfortable, consistent environment in bedrooms, living rooms, or home offices where electric heat is the primary source. The combination of quick installation, clear temperature reading, and straightforward OFF control means you can set a comfortable baseline and adjust as needed—whether you’re cooling down after a sunny afternoon or warming up on a chilly morning.

Beyond comfort, the unit’s safety-minded features and code-friendly design offer peace of mind during routine maintenance and upgrades. Pair it with compatible line-voltage heating systems to enjoy dependable, everyday temperature management without the complexity of mercury-containing alternatives.