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  • Tailored temperature programming to precisely match individual lifestyle needs.
  • Extensive day and sequence selection: 1-week, 5-1-1 day, 5-2 day, and 7-day programming options.
  • Enables users to create customized schedules that optimize comfort and energy savings.
  • Large, high-resolution display for exceptional readability.
  • Simplified user interface designed for effortless navigation and control.
  • Universal Wall Plate (UWP) for quick and hassle-free installation.
  • Large screen with clear, high-contrast font for optimal visibility in any lighting conditions.
  • Customizable idle screen, allowing users to personalize the thermostat's appearance to complement their home décor.
  • Automated filter change reminders, ensuring consistent system performance and optimal air quality.
  • Does not work with electric baseboard heat (120-240V).

Personalized Comfort, Effortless Control

The Honeywell Home X2P Programmable Thermostat delivers straightforward and reliable home comfort designed to adapt to your unique lifestyle. Engineered for ease of use, this thermostat allows you to establish personalized heating and cooling schedules, ensuring both comfort and convenience without unnecessary complexity. Experience "Simply Better" comfort through its versatile scheduling options. This includes 7-day, 5-1-1 day, 5-2 day, and 1-week programming. For those times when manual adjustments are preferred, a non-programmable mode is also available. The large display and clear font make it simple to adjust settings and monitor temperatures.

Easy Installation and Customizable Features

The included UWP wall plate streamlines the installation process and facilitates effortless future upgrades, making it an ideal choice for DIY enthusiasts. Operating on 2 AA batteries (not included), the X2P eliminates the need for intricate wiring. Enhance your home environment with its customizable features, such as timely filter change reminders. You can also coordinate the thermostat with your décor using the provided interchangeable white and gray accent pieces, and adjust the display settings for optimal visibility. The X2P offers broad compatibility, working with up to 2 heat / 2 cool conventional systems, up to 2 heat / 1 cool heat pump systems with electric backup, 750 mV systems, hot water heat, and forced air systems (gas, oil, or electric).

How is this model different from the other X2P thermostats?
While other X2P models are designed for simpler setups, the RTH22B is specifically optimized for multi-stage systems. It can manage up to 2 Heat / 2 Cool conventional systems or 2 Heat / 1 Cool heat pump systems with electric backup. It also includes an "Emergency Heat" (EMER) mode for heat pump users, which is not found on the single-stage models.
Does this thermostat require a C-wire for power?
No. Like other programmable models in the X-Series, the RTH22B is powered by two AA batteries (not included). Even if your system has a C-wire (Common wire) and you connect it to the terminal, batteries are still required to power the display and internal operations.
What scheduling options does the "Flexible Schedule" feature offer?
The RTH22B provides the most versatile programming in the series. Through the Installer Setup (ISU) menu, you can choose between 7-day (each day different), 5-1-1 (weekdays, Saturday, and Sunday separate), 5-2 (weekdays vs. weekend), or 1-week (same schedule every day) options. You can also disable scheduling entirely to use it as a manual thermostat.
Can I customize the look of the thermostat to match my room?
Yes. This model comes with interchangeable decorative accent pieces. The package includes both white and gray options that snap onto the sides of the device, allowing you to coordinate the thermostat with your home’s color palette or decor.
What is the "Smart Response" feature?
Smart Response is a comfort-focused setting that allows the thermostat to "learn" how long your system takes to reach a specific temperature. Instead of turning on exactly at your scheduled time, the thermostat will start the system early to ensure your home reaches the desired temperature by the time you've programmed (e.g., reaching 70°F exactly at 7:00 AM rather than starting at 7:00 AM).
Product Details
Honeywell Home X Series Thermostats
X Series Model
Comparison Chart
Honeywell Home X2S Wi-Fi Thermostat

X2S Smart Thermostat

Honeywell Home X2P Programmable Thermostat

X2P Programmable Thermostats

Honeywell Home X1N Non-Programmable Thermostat

X1N Non-Programmable Thermostat

Model Numbers RTH2CWF RTH20B, RTH21B, RTH22B RTH11B
Large screen & clear font
Change filter reminder
UWP® wall plate
Flexible scheduling
Smart WiFi connected
ENERGY STAR® certified
Models being replaced RTH6580 RTH6360, RTH2510, RTH2410, RTH2300, RTH221 RTH5160
Scheduling Flexible: 7 day, 5-1-1 day, 5-2 day or 1 week options Flexible: 7 day, 5-1-1 day, 5-2 day or 1 week options No scheduling, non-programmable
Stages 2 heat/1 cool, heat pump/conventional 2 heat/1 cool, heat pump/conventional 1 heat/1 cool
Power Hardwire, C-wire required Battery powered (2 AA) Battery powered (2 AA)
Display Size 4.84 sq. in. 4.84 sq. in. 4.09 sq. in.
Display format Bright display, optional always-on backlight Backlight display Backlight display
View The X2S Thermostat View The X2P Thermostat View The X1N Thermostat
Product Specs
UPC:
194159017375
MPN:
RTH22B/N
Category:
Thermostats
Product Manuals

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