Robertshaw RS9210 Digital Thermostat

Robertshaw RS9210 is a versatile 24V/millivolt programmable/non-programmable digital thermostat designed for multi-stage conventional and heat pump systems. Featuring a 4.6 square inch backlit display, it offers clear readability in any lighting and a straightforward setup that fits a wide range of homes.

Choose programmable control for energy savings or simple non-programmable operation when you need quick adjustments. It supports 7 day, 5-1-1 scheduling, 2H/1C cooling/heating staging, and a temperature range of 45–90°F to match your comfort needs.

Replaces RS321P, delivering upgraded performance with a reliable digital interface and broad compatibility with conventional and heat pump equipment.

• 24V/millivolt compatibility
• Multi-stage support for conventional and heat pump systems
• 4.6" backlit display for easy viewing
• 7-day, 5-1-1 scheduling for flexible programming
• 2H/1C heat/cool staging
• 45–90°F operating range for broad comfort
• Programmable and non-programmable modes for convenience