
RA89A-1009 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $59.99 | Top Pick! Condition is New – Open box, Sid Harveys Honeywell R510-15R RA89A1009 RA89A Switching, shipping cost = $14.85 | 99.5% |
![]() | $134.07 | Condition is New – Open box, HONEYWELL RA89A-1009-3 / RA89A10093 (NEW NO BOX), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.99 | Condition is Used, Honeywell RA89 A 1009 2 Switching Relay Low Volt Control Circuit Only, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $63.20 | Condition is New, Sid Harveys Honeywell R510-15R RA89A1009 RA89A Switching, shipping cost = $14.99 | 99.6% |



The Honeywell RA89A-1009 is a reliable and versatile switch controller specifically designed for residential and light commercial HVAC zoning applications. This particular model is engineered to work with the RJ-24 universal wiring module, allowing for easy integration with a wide range of Honeywell systems.
The RA89A-1009 switch controller is a 24 V AC controlled device featuring a sleek, compact design. It offers three distinct modes of operation: on, auto, and off, making it perfect for controlling fans, lights, or other HVAC components based on temperature or occupancy.
The built-in temperature sensor allows for automatic mode switching, ensuring that occupants are always comfortable while reducing unnecessary energy usage. By detecting temperature changes within its environment, the switch controller can automatically switch the connected device from the 'off' mode to 'auto' or 'on,' providing excellent flexibility and efficiency.
Additionally, the RA89A-1009 switch controller comes equipped with the Smart Response feature. This intelligent technology enhances system performance by monitoring zone temperature, and the connected device will turn off prematurely during a temperature setpoint overshoot to save energy and maintain optimal indoor conditions.
For ease of installation, Honeywell's RA89A-1009 comes complete with a universal mounting plate, which allows it to be easily secured to two wall surfaces using the included hardware. The controller also features an LED indicator, making it simple to confirm the current mode and the status of the connected device at a glance.
With its user-friendly design, advanced features, and ability to work seamlessly with a selection of Honeywell systems, the Honeywell RA89A-1009 switch controller is an excellent choice for those seeking a high-quality and cost-effective zoning solution to enhance their indoor comfort and energy savings.
The Honeywell RA89A-1009 is a popular choice for single-stage, heating and cooling systems, particularly for residential applications. In evaluating this model as a switching control,here are some pros and cons that might help in your purchasing decision:
Pros:1. Reliability: Honeywell is a well-established brand known for its reliable products. The RA89A-1009 is no exception; it is specifically designed for use with Honeywell home thermostats, ensuring compatibility and seamless integration.
2. User-friendly: This thermostat has a large, easy-to-read LCD screen, allowing for simple adjustments to temperature settings. It also features a touchscreen for easy operation and increased accuracy.
3. Energy efficiency: The RA89A-1009 communicates with compatible systems to optimize settings based on current weather conditions, thereby promoting energy savings and potentially reducing utility bills.
4. Flexible compatibility: It can be used with both 208-230V and 115V systems and is compatible with a wide range of HVAC systems.
5. Multiple language options: This thermostat comes with options to display temperature in Celsius, Fahrenheit, or Kelvin, catering to various user preferences.
Cons:1. Wired setup: Unfortunately, this thermostat can only be installed using wires, which may require professional help unless the user is experienced with wiring and DIY projects.
2. Limited programming features: Compared to other programmable thermostats on the market, the RA89A-1009 has limited scheduling capabilities for energy conservation, making it less suitable for users looking for advanced automation features.
3. Compatibility limitations: The RA89A-1009 may not be compatible with some non-Honeywell systems, so potential users must ensure that their systems are supported before purchase.
Conclusion:In conclusion, the Honeywell RA89A-1009 offers reliability, user-friendliness, energy efficiency, and flexibility in terms of compatibility and multiple language options. However, it may require professional installation and lacks advanced programming features. Depending on your specific needs, budget, and existing HVAC system, this thermostat may be a suitable option for those seeking a simple, yet efficient switching control.
Recommendation:I would recommend the Honeywell RA89A-1009 for homeowners who are looking for a reliable switching control, are satisfied with basic temperature adjustments, and have a Honeywell compatible HVAC system. However, for users who desire advanced programming capabilities or prefer a wireless thermostat with more features, alternative models might better suit their needs.
Details:
Condition is used. RA89A-1009 - oem replacement for Honeywell switching control. Shipped with USPS ground advantage.
specifications centrafurn:
- brand: Honeywell
- mpn: Ra89a-1009
- model: Honeywell Ra89a-1009
- type: Central Furnace
- control style: Switch
payments centrafurn:
- wallet: paypal
- credit card: diners-club
- other
returns centrafurn:
- method: money back
- policy: returns accepted
- paid by: seller
- time: 60 days
shipping centrafurn:
- class: standard
- service: usps ground advantage
- type: calculated
- carrier: usps
- transit: 5-10 days
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
offer centrafurn:
- options: ship-to-home
- prices: $29.99–$134.07
- item condition:
- New – Open box
- Used
- New
- best offers: true
- availability: in stock
- in stock #: 4
- sold #: 26
- started: january 1, 2025
seller centrafurn:
- rating: 97.5%
- city: brooklyn, new york
- # reviews: 828
Also Available:
- BA80019-2: AIR PRESSURE FURNACE SWITCH, Fits Honeywell
- VR844A1036-VR844A-1036: FURNACE CONTROL VALVE HVAC, Fits Honeywell
- S8910U3000: MODULE, Choice Manufactured Parts
- HQ1011179HW: FURNACE CONTROL BOARD, Honeywell
- L8148: CONTROL, Honeywell
- S89J: CONTROL BOARD, Honeywell
- WV8840B5077-WV8840B5077-U: WATER HEATER VALVE, Resideo
- S86E1069: CONTROL, Honeywell
- D501438: AMPLIFIER, Fits Honeywell
- WV4262E1214: WATER HEATER VALVE, Fits Rheem Ruud Honeywell
- PSRKIT20: DISPLAY TUBE CONTROL MODULE PANEL HARNESS, Honeywell




