ERP ERRS9110 Furnace Programmable Wall Thermostat | Replaces RS9110

ERP RS9110 Programmable HVAC Wall Thermostat

This ERP aftermarket replacement programmable wall thermostat is identified for the Robertshaw RS9110 application. The verified product listing describes a Pro Series 5-1-1 programmable thermostat for single-stage systems with 1 heat and 1 cool. It is not a genuine Robertshaw OEM part. Confirm the complete HVAC system, voltage, stages, wiring, and original thermostat part number before ordering.

Product Details

• Product type: Programmable HVAC wall thermostat.
• Compatible brand: Robertshaw.
• Application reference: RS9110.
• Schedule: 5-1-1 programmable operation as listed for the RS9110 application.
• System capability listed for the application: single-stage, 1 heat / 1 cool.
• SKU / MPN: ERRS9110 / RS9110.
• Verified Amazon UPC for the Robertshaw RS9110 application: 662013228217.

Compatible Part Numbers

• RS9110
• ERRS9110

Key Features

• Aftermarket ERP replacement thermostat for the Robertshaw RS9110 application.
• 5-1-1 programmable schedule.
• Single-stage 1-heat / 1-cool system description verified for the RS9110 listing.
• Verify system voltage, terminals, stages, wiring, and mounting before installation.

Fixes These Symptoms

• Thermostat display is blank or unresponsive after power and wiring are confirmed.
• Heating or cooling does not start when the thermostat calls for operation.
• Temperature control is inaccurate or inconsistent.
• Programmable schedule or thermostat controls no longer operate correctly.

Compatible Brands

Robertshaw

Compatible Models

Fits various models. Please verify compatibility with us before ordering.

Installation and Safety

1. Turn off HVAC power at the service disconnect or breaker before removing the thermostat.
2. Label every wire and photograph the original terminal positions. Do not infer connections from wire color.
3. Have a qualified HVAC technician confirm voltage, stages, wiring, equipment compatibility, and the required power arrangement.
4. Mount the replacement securely, connect wires to the correct terminals, and never bypass an interlock, fuse, or thermal safety control.
5. Restore power and run a supervised heating and cooling test.

ERP aftermarket replacement part. Verify the complete HVAC system, original thermostat, voltage, stages, wiring, and mounting configuration before ordering.

Prop 65 Warning: Cancer and Reproductive Harm – www.P65Warnings.ca.gov