Robertshaw RS8110 Thermostat

The Robertshaw RS8110 thermostat is a non-programmable digital single-stage thermostat designed for both conventional and heat pump systems. It supports 24V and millivolt wiring and features a 4.6 square inch backlit display for easy reading and quick adjustments. The RS8110 delivers precise 1H/1C control within a broad 45–90°F operating range, ensuring comfortable climate control without the complexity of programmable models.

Built for reliability and ease of use, this thermostat is ideal for upgrading older mechanical units or for spaces where simple manual control is preferred. The large, backlit display remains legible day or night, while the compact design fits standard wall plates for straightforward installation with typical wiring configurations.

• 24V and millivolt compatibility for versatile wiring
• Non-programmable digital interface for simple operation
• Single-stage control suitable for conventional systems and heat pumps
• Large 4.6" backlit display for easy visibility
• Temperature range 45–90°F with 1H/1C heat/cool control