Honeywell Home RTH20B Programmable Thermostat – 1H/1C, 5-2 Day Schedule, UWP Install, White

Overview

The Honeywell Home X2P programmable thermostat (model RTH20B) is designed for single-stage heating and cooling systems. With a clear, large display and intuitive controls, it helps you set comfortable temperatures quickly. The 5-2 day schedule lets you customize routines for both weekdays and weekends, while a non-programmable option provides simplicity when desired.

Flexible scheduling and simple choices

In daily life, you can choose 5-2 day programming to match workdays and days off, or opt for non-programmable control for straightforward adjustments. The thermostat supports era-typical single-stage setups, letting you maintain steady comfort without fuss.

Display clarity and reminders

• Large, backlit display makes readings easy at a glance, day or night.
• Custom display settings give you control over brightness and appearance to suit your space.
• Change air filter reminders help you stay on top of routine maintenance and system efficiency.
• Extended 32°F low-heat setpoint options support consistent performance in cooler rooms or seasons.

Installation and compatibility

• The UWP wall plate enables a straightforward installation path and supports future upgrades with minimal hassle.
• Compatible with 1 Heat/1 Cool, 750 mV, hot water heat, and forced air systems (gas, oil, or electric).
• Not suitable for electric baseboard heat (120-240V).
• Requires 2 AA batteries (not included) for power.
• Direct replacement path for older models such as RTH2300 and RTH221.

Warranty and usage notes

Includes a 1-year warranty for basic peace of mind and a straightforward, user-friendly experience designed to fit common home setups.

In short, the RTH20B offers practical temperature control with flexible scheduling, a readable display, and installation you can complete with commonly available hardware. It’s a solid choice for households seeking a reliable thermostat that can adapt to daily routines and seasonal changes without overwhelming complexity.