
Nordyne 904999 Inducer Assembly
The White Rodgers 1F89-211 is a job-site standard for non-programmable heat pump thermostats, specifically engineered for 2H/1C heat pump systems. Part of the proven Classic 80 Series, this 24V digital control utilizes advanced solid-state microcomputer technology to maintain 1°F accuracy, preventing the temperature swings often found in mechanical units. It is compatible with electric, gas, or oil-fired furnaces, and its dual power capability allows for both hardwired (C-wire) and battery-powered installations, making it an ideal HVAC replacement thermostat for thousands of existing residential and light commercial applications.
For technicians, the 1F89-211 streamlines installation with an O/B terminal switch that is field-selectable to ensure the changeover relay energizes in either heat or cool modes. The unit features built-in compressor lockout protection via a five-minute delay to prevent short cycling, and the permanent program retention ensures all configuration settings remain intact during a total power loss. The backlit LCD display and straightforward interface provide the reliability and simplicity service contractors demand when a complex programmable schedule is unnecessary.
Key Benefits:- Multi-Stage Compatibility: Designed specifically for multi-stage 2 heat / 1 cool heat pump applications, including systems with auxiliary or emergency heat.
- Versatile Powering: Supports dual-power options, allowing for hardwired 24VAC or 2-AA battery operation for maximum site flexibility.
- System Protection: Includes a factory-installed compressor short cycle protection to safeguard equipment longevity and prevent mechanical failure.
- Precise Control: Features a selectable cycle rate (Fast or Slow) and adjustable temperature display calibration from -4 to +4 degrees.
- Terminal Versatility: Direct wiring to R, C, Y, W2, G, O/B, E, and L terminals, accommodating both single and two-transformer configurations.
- Is the 1F89-211 compatible with 2nd stage auxiliary heat? Yes, this 2H/1C heat pump thermostat is specifically designed to manage systems with secondary auxiliary or emergency heat stages.
- How do I reset this thermostat to factory settings? Move the system switch to the OFF position, then press and hold the UP and DOWN buttons simultaneously while moving the switch back to HEAT.
- Can this unit replace a 1F89-0211? Yes, the 1F89-211 is the direct replacement model for older 1F89 series thermostats used in heat pump applications.
- Does this require a C-wire? No, while hardwiring is an option, it can operate solely on two AA batteries if a common wire is not available at the wall.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Nordyne 904999 Inducer Assembly
The White Rodgers 1F89-211 is a job-site standard for non-programmable heat pump thermostats, specifically engineered for 2H/1C heat pump systems. Part of the proven Classic 80 Series, this 24V digital control utilizes advanced solid-state microcomputer technology to maintain 1°F accuracy, preventing the temperature swings often found in mechanical units. It is compatible with electric, gas, or oil-fired furnaces, and its dual power capability allows for both hardwired (C-wire) and battery-powered installations, making it an ideal HVAC replacement thermostat for thousands of existing residential and light commercial applications.
For technicians, the 1F89-211 streamlines installation with an O/B terminal switch that is field-selectable to ensure the changeover relay energizes in either heat or cool modes. The unit features built-in compressor lockout protection via a five-minute delay to prevent short cycling, and the permanent program retention ensures all configuration settings remain intact during a total power loss. The backlit LCD display and straightforward interface provide the reliability and simplicity service contractors demand when a complex programmable schedule is unnecessary.
Key Benefits:- Multi-Stage Compatibility: Designed specifically for multi-stage 2 heat / 1 cool heat pump applications, including systems with auxiliary or emergency heat.
- Versatile Powering: Supports dual-power options, allowing for hardwired 24VAC or 2-AA battery operation for maximum site flexibility.
- System Protection: Includes a factory-installed compressor short cycle protection to safeguard equipment longevity and prevent mechanical failure.
- Precise Control: Features a selectable cycle rate (Fast or Slow) and adjustable temperature display calibration from -4 to +4 degrees.
- Terminal Versatility: Direct wiring to R, C, Y, W2, G, O/B, E, and L terminals, accommodating both single and two-transformer configurations.
- Is the 1F89-211 compatible with 2nd stage auxiliary heat? Yes, this 2H/1C heat pump thermostat is specifically designed to manage systems with secondary auxiliary or emergency heat stages.
- How do I reset this thermostat to factory settings? Move the system switch to the OFF position, then press and hold the UP and DOWN buttons simultaneously while moving the switch back to HEAT.
- Can this unit replace a 1F89-0211? Yes, the 1F89-211 is the direct replacement model for older 1F89 series thermostats used in heat pump applications.
- Does this require a C-wire? No, while hardwiring is an option, it can operate solely on two AA batteries if a common wire is not available at the wall.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The White Rodgers 1F89-211 is a job-site standard for non-programmable heat pump thermostats, specifically engineered for 2H/1C heat pump systems. Part of the proven Classic 80 Series, this 24V digital control utilizes advanced solid-state microcomputer technology to maintain 1°F accuracy, preventing the temperature swings often found in mechanical units. It is compatible with electric, gas, or oil-fired furnaces, and its dual power capability allows for both hardwired (C-wire) and battery-powered installations, making it an ideal HVAC replacement thermostat for thousands of existing residential and light commercial applications.
For technicians, the 1F89-211 streamlines installation with an O/B terminal switch that is field-selectable to ensure the changeover relay energizes in either heat or cool modes. The unit features built-in compressor lockout protection via a five-minute delay to prevent short cycling, and the permanent program retention ensures all configuration settings remain intact during a total power loss. The backlit LCD display and straightforward interface provide the reliability and simplicity service contractors demand when a complex programmable schedule is unnecessary.
Key Benefits:- Multi-Stage Compatibility: Designed specifically for multi-stage 2 heat / 1 cool heat pump applications, including systems with auxiliary or emergency heat.
- Versatile Powering: Supports dual-power options, allowing for hardwired 24VAC or 2-AA battery operation for maximum site flexibility.
- System Protection: Includes a factory-installed compressor short cycle protection to safeguard equipment longevity and prevent mechanical failure.
- Precise Control: Features a selectable cycle rate (Fast or Slow) and adjustable temperature display calibration from -4 to +4 degrees.
- Terminal Versatility: Direct wiring to R, C, Y, W2, G, O/B, E, and L terminals, accommodating both single and two-transformer configurations.
- Is the 1F89-211 compatible with 2nd stage auxiliary heat? Yes, this 2H/1C heat pump thermostat is specifically designed to manage systems with secondary auxiliary or emergency heat stages.
- How do I reset this thermostat to factory settings? Move the system switch to the OFF position, then press and hold the UP and DOWN buttons simultaneously while moving the switch back to HEAT.
- Can this unit replace a 1F89-0211? Yes, the 1F89-211 is the direct replacement model for older 1F89 series thermostats used in heat pump applications.
- Does this require a C-wire? No, while hardwiring is an option, it can operate solely on two AA batteries if a common wire is not available at the wall.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












