Filtrete 7-Day Programmable Thermostat-3M-22 - The Home Depot
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Discontinued

Filtrete

Model # 3M-22

Internet # 202352452

7-Day Programmable Thermostat

Filtrete 7-Day Programmable Thermostat
 

This item has been discontinued.
The Home Depot no longer carries this specific product.

$44.88 / each
  • Can be programmed with up to 4 independent periods per day
  • Copy function makes programming a breeze
  • On-screen filter-change and low-battery indicators
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PRODUCT OVERVIEW

Model # 3M-22

Internet # 202352452

The 3M Filtrete 7-Day programmable thermostat offers versatile and easy programming to maximize your comfort and energy efficiency. The pre-set programming can be easily modified to suit your schedule and comfort level, with many options to conveniently accommodate temporary schedule changes and vacation time. It is compatible with systems including 1 and 2-stage heat and cooling, heat pumps with or without auxiliary heat, zoned baffle systems and 2 and 3-wire hot-water heaters.

  • 7-day programming gives you the flexibility to program for maximum comfort and energy savings
  • Compatible with standard residential heating and cooling systems, 2 or 3-wire boilers, heat pumps and 2-stage heating systems
  • Display shows room temperature and target temperature simultaneously
  • Override, hold and vacation functions give maximum flexibility to adjust for changing schedules
  • Program lock can be engaged to prevent others from changing the settings
  • Compatible with all popular residential central heating and cooling systems

Info & Guides

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SPECIFICATIONS

Dimensions
Assembled Depth (in.) 
.9 in 
Assembled Height (in.) 
3.2 in 
Assembled Width (in.) 
5.8 in 
Display height (in.) 
.8 
Display width (in.) 
1.4 
Product Depth (in.) 
.9 
Product Height (ft.) 
3.2 
Product Height (in.) 
3.2 
Product Width (in.) 
5.8 in 
Details
Batteries Included 
No 
Battery Power Type 
Alkaline 
Battery Size 
AAA 
Color Family 
Whites 
Number of HVAC Zones 
Periods per Programmable Day 
Returnable 
90-Day 
Shape 
Rectangle 
System Compatible 
Universal 
Thermostat Features 
Backlit,Battery Back-Up,Battery Operated,Filter Monitor,Lockable,Low Battery Indicator,Vacation Mode 
Thermostat Type 
Heating and Cooling 
Voltage (volts) 
24 
Warranty / Certifications
Certifications and Listings 
No Certifications or Listings 
ENERGY STAR Certified 
No 
Manufacturer Warranty 
5 year limited manufacturer warranty 

CUSTOMER REVIEWS

Rated 3.6 out of 5 by 109 reviewers.
Rated 2.0 out of 5.0 by Looks cool and cheap, but bad side finish. First of all, the picture shown at home depot website is outdated. New model does not have cover over buttons and buttons look very different. Check picture from their website. I want to give link to it, but home depot rejected my review for wiring URL. At first impression this thermostat looked cool with blue back-light. However, having so many buttons exposed make it look very complicated. Also, sides do not have cover and you can see a deep voids on each side of thermostat. It looks very ugly from sides. On the top, you can actually see wires entering thermostat because there is nothing covering it. June 14, 2011
Rated 5.0 out of 5.0 by Great digital thermostat! This products works great. Setup is easy. Just followed the instructions as stated in the manual. You're able to have different temperature settings for each day and 4 time periods per day. Product design is different than the image shown in the home depot webpage. Now it has the buttons covered which gives it a cleaner look. Overall this is a great product! March 26, 2014
Rated 4.0 out of 5.0 by An affordable programmable This is a big improvement over my standard thermostat, which you could not program. It has 4 settings per day, morning, day, evening and night. Once you set one day, you can copy to a single or multiple days. If you can read instructions, it isn't that hard to program. It has instructions and labels to install also, but I hired a handyman/electrician to install, as this is not the time of year to be without A/C in FL, and I am not the most adept at electrical issues. August 5, 2014
Rated 2.0 out of 5.0 by Died after a year and a half Good thing Home Depot has a 5 year warranty on this product. Mine died after a year and a half - no display, no lights, nothing. Put on fresh batteries and verified the voltage at the main board. Still no go. Otherwise it worked well. July 19, 2014
Rated 5.0 out of 5.0 by Lots of Connections It has lots of connections so it should work for most applications. Installation took 15minutes in the dark using a flash light. Programmable for 4 different temperatures 7 different days each week. Trouble free for almost 1yr and counting. March 12, 2013
Rated 1.0 out of 5.0 by Most frustrating thermostat I've ever used So frustrating to use. I have three in my house for the different heating zones. Trying to change program is always a frustration. Trying to set the Program 2 for vacation is totally frustrating. One of the most annoying features is that after programming and then pressing "Home" to confirm, it goes into dark mode and will not revive for about a minute. Just when you want to check if the program "took," it will not respond. Really, with the level of digital technology we have today, this thing is an outmoded POJ. I've had these in my house for 2.5 years now. Mostly I just let them be. Someday I will replace with something more functional. November 9, 2014
Rated 5.0 out of 5.0 by Excellent product Factors for 5 star rating: -Easy to follow, clear instructions -Comes with very nice labels that I used before removing the wires. This is something that I did not think about, but 3M thought of it for me :) -For the price and features this unit has, it cannot be beat. I checked bidding sites, local listings, and competitors. You can do your research so that you will feel as good as I do after purchasing and installing this unit!!! -Works with various different setups, including Heat Pump w/Aux and Emer Heat -The unit looks better than what is shown in the picture on this website (3/15/11) -Even though this is 7-day programmable, my use is really 5-1-1. I thought it was going to be a pain entering in all the schedules but there is a "COPY" button on the unit that will copy the settings onto the day following your selection -This should really say it's 7+1 programmable... Has a vacation mode setting that also has the option for morn, day, eve & night -Energy save button is a awesome! Whenever I'm going out for a few hours, I just hit the button and it automatically reduces the scheduled temperature by 5F -It has a quick button to switch between C and F right on the front. No need to open up panels and mess with any jumpers -LCD has a cool feel to it -If you are not a techie person and don't want all the details, you can switch the screen to "simple" mode that will just display the temperature -The unit I got takes 3 AA batteries. I'm thankful that it did not use CR2025 or one of those fancy digital camera batteries. This way I can easily use my rechargeable batteries -To the person below whose unit died after a year... FYI, it has a 5-year warranty from home depot. Don't need to buy a new one. This is why I purchased this unit because others, ie honeywell only has 1 yr warranty. Tip: If you have B, O and C wires, O -> O, B -> C, tape off C and don't use it for this model (This is in the instructions but I thought I'd post it here just in case) March 15, 2011
Rated 3.0 out of 5.0 by Not an easy install Has nice features for the price, and the warranty, however, it doesn't have enough room to route 4-5 wires to the terminal block. Very poor design compared to ones I've installed before Also, instead of programming 5 days then 2 days you have to program a day then copy it to other days a little more time involved. Also, the the alignment install holes are different seems like the companies would make them all the same so when you replace an old one January 14, 2013
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