Robertshaw – RS9210 Contractors can offer owners easy, yet powerful and reliable two-stage heating and one-stage cooling control in a simple, modern design with the RS9210 programmable wall thermostat.
Multi-Stage – 2 Heat / 1 Cool
‚¬ Large terminal blocks for easy installation
‚¬ Universal sub-base
‚¬ Quick-access menu button
‚¬ Contractor/technician setup menu
‚¬ Easy-to-understand programming menus
‚¬ Intuitive wake, leave, return, sleep programming icons
‚¬ 24V AC Powered OR Battery Operation (Included)
‚¬ 6Year Limited Warranty
‚¬ Factory pre-set energy efficiency program
‚¬ Large, easy-to-read 4.6-square-inch blue backlit display
‚¬ Easy-access front-load battery compartment
‚¬ Adjustable temperature differential (swing) for energy optimization and maximum system life
‚¬ Dual fuel compatible
‚¬ Adjustable room temperature calibration
‚¬ Adjustable setpoint limits
‚¬ Five-minute selectable on/off compressor delay protection for short-cycling prevention
‚¬ Separate O and B terminals
Additional Information
Additional Information
Series ApplicationMulti-Stage 2 Heat / 1 Cool ProgrammableTemperature Range41°F to 95°F (5°C to 35°C)Mounting TypeWall or junction boxFactory Part NumberRS9210Power Source24V AC (18 to 30V AC), 50/60 Hz for hardwire common wire or 2 AAA 1.5V alkaline batteries (included)Dimensions4.7 x3.8 x 1in (119.6 x 97.6 x 26mm)TerminalsR, C, Y, W2, W/E, G, O, BControl Temperature44°F to 90°F (7°C to 32°C)System Fuel SourceGas, electric or oilHeat Pump CompatibilitySystems with auxiliary or emergency heatMillivolt Application CompatibilityYesDisplay Accuracy+- 1°F (at 68°F) / +- 1°C (at 20°C)








