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Honeywell RTH221B1021A Programmable Thermostat
zwickyflips (128)
100% positive feedback
Price:
$17.95
+ $8.95 shipping
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The Honeywell RTH221B1021A Programmable Thermostat is a high-quality home improvement product designed for heating and cooling systems. With a sleek white and clear design, this thermostat is compatible with Honeywell International systems and features a 2-wire wire configuration. It offers programmability with 4 periods per programmable day, auto system switching, and digital control style. This thermostat is also equipped with features like a digital display, temperature sensor technology, and anti-island protection, making it a reliable and efficient choice for maintaining optimal indoor temperatures.
- Buy It NowHoneywell RTH221B1021A Programmable Thermostat *NEW
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About this product
Product Identifiers
BrandHoneywell
MPNRTH221B1021A
GTIN0151903601419, 0783324975475
UPC0151903601419, 0783324975475
eBay Product ID (ePID)2255616756
Product Key Features
Battery SizeAAA
MountingCabinet-Mounted, Wall-Mounted
Thermostat ShapeRectangular
ProgrammabilityProgrammable
Smart Home CompatibilityADT Pulse
Heat Stages1
Resistance PropertiesAbrasion Resistant
Year Manufactured1940
Control StyleDigital, Push Button, Touch
Compatible BrandHoneywell International, Honeywell, Universal
ColorWhite, Clear
Number of Periods per Programmable Day4
Cool Stages1
Wire Configuration2-Wire
Voltage24 V
FeaturesDigital Display
Protection PropertiesAnti-island Protection
Compatible ModelHeating and Cooling Systems
MaterialPlastic
Voltage TypeLine Voltage
Sensor TechnologyTemperature
System SwitchingAuto
Dimensions
Width100mm
Length375mm
Item Weight1 pounds
Weight1lbs.
Height475mm
All listings for this product
Ratings and Reviews
Most relevant reviews
- Oct 07, 2019
Great product, easy installation
I was able To install the new thermostat in about 20 minutes with removal of the old unit marking the wires with the enclosed stickers and etc! Very easy installation and easy to follow directions included! A+++ product! Thanks!
Verified purchase: YesCondition: New
- Aug 23, 2020
Honeywell Digital Thermostat
Great thermostat with setting that can be changed for different times of the day or even which day you want the changes to take place. Well Made and it IS a Honeywell What else needs to be said!Verified purchase: YesCondition: New
- Mar 23, 2022
Great programmable thermostat
I have another one just like it for my main heating. This one will control my pellet stove. It can be programmed for two on/off cycles per day in weekends and weekdays.Verified purchase: YesCondition: Pre-owned
- Sep 04, 2019
Works good but unable to close. Don`t recomend. Hard to program.
Not better than expected ! Works good. hard to program. Unable to close !Verified purchase: YesCondition: New
- Jun 05, 2018
This is the third one I have bught and they work great and very good value for such a workhorse
Verified purchase: YesCondition: New
- Mar 13, 2019
Time will tell if my review gets worse.
It seems to be fine except it is too hard to separate the back plate from the thermostat.Verified purchase: YesCondition: New
- Jun 28, 2019
i clicked on a five star rating, and you are making me waste time putting words to that choice.
it works as claimed .Verified purchase: YesCondition: New
- May 12, 2020
Great value replacement
It's a perfect replacement for a previous Honeywell unit. Easy to put, except this is smaller than my old one, so I used the old base plate in reverse.Verified purchase: YesCondition: New
- May 01, 2019
Nah
My first one at the backlight go out after about a week. The second one the hold feature doesn't work.Verified purchase: YesCondition: New
- Oct 16, 2019
Honeywell makes product!
It is a good product Thank you I like it!!Verified purchase: YesCondition: New
