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  • Honeywell RTH6350 5-2 Programmable Thermostat
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Honeywell RTH6350 5-2 Programmable Thermostat

168 customer reviews
| 26 answered questions

List Price: $59.99
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  • Plastic
  • Imported
  • Menu Driven Programming guides user through programming, much like using an ATM; Conventional push-button programming
  • 4 Programmable periods per day allow settings for wake, leave, return and sleep; Preset energy saving schedule for the assurance of energy efficiency
  • Designed to Install in 15 minutes or less; Armchair Programming allows you to remove the thermostats from the wall for programming
  • Maximum comfort - Smart Response technology learns the amount of time a system needs to reach a desired temperature and adjusts accordingly
  • Precise temperature control of +/-1 degrees for consistent comfort; Displays both room temperature and temperature setting
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Honeywell RTH6350 5-2 Programmable Thermostat + Honeywell 50002883-001 Coverplate
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Product Description

Package Quantity: 1

Product Description

Honeywell RTH6350 5-2 Programmable Thermostat

From the Manufacturer

Universal 5/2 Programmable Thermostat with Large Backlit Display; Conventional push button programming; Retains memory in event of power outage; Smart Response Technology; Easy Access Battery Compartment; 12 or 24 Hour Clock; Celsius or Fahrenheit Temperature Display; Compatible with Single or Multi Stage Heating and Cooling, Heat Only, Cool Only, Furnace(Warm Air), Central Air Conditioning, Heat Pump without aux heat, heat Pump with aux heat, hot Water, Steam or Gravity, 750 Mill volt, Gas Fireplaces.

Product Details

Package Quantity: 1
View User Manual [3.20mb PDF]
  • Product Dimensions: 2 x 10 x 9 inches ; 8.8 ounces
  • Shipping Weight: 11.2 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Origin: Mexico
  • ASIN: B00421BGHY
  • Item model number: RTH6350D1000/A
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (168 customer reviews)
  • Amazon Best Sellers Rank: #9,657 in Home Improvement (See Top 100 in Home Improvement)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.


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This item: Honeywell RTH6350 5-2 Programmable Thermostat
Customer Rating (168) (99) (87) (341)
Price $ 47.24 $ 53.88 $ 45.61 $ 62.99
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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

43 of 44 people found the following review helpful By Steve Young on July 26, 2011
Item Package Quantity: 1 Verified Purchase
I had this installed in a matter of minutes after receiving it. It comes pre-programed but the times and temps were not to my liking so I programed it and had it drop the two middle times so mine just has wake and sleep. Programing literally could not be easier. I don't know why there are so many reviewers having trouble with the light-up display, mine is very bright. Simply press the temp up or down button momentarily and the backlight comes on and this does not raise or lower the temp, you would have to touch the temp button again to make a change. The unit looks good too, much better than the Robertshaw from 1988 that it replaced. The unit really does keep the temperature right where you set it too but this may not be such a good thing. The Robertshaw unit was set for 77 degrees and would not come on until the temp reached 78. It would lower the temp to 76 then shut the A/C off. The Honeywell unit is also set for 77 degrees but instead of a 2 degree spread it has a +/- 1 degree accuracy which means you never see it move off of 77 degrees. The problem is that while it keeps the temp right where you want it, it makes your equipment work twice as hard to maintain this kind of accuracy. I've been working in my office right next to the A/C closet ever since I installed it several hours ago and have been keeping a log of start/stop times just to see how it's doing and on average the A/C has been running 8 minutes and resting for 12 minutes all day. This is much more than the Robertshaw unit that had less accuracy and I really don't notice the difference.Read more ›
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41 of 44 people found the following review helpful By Daniel Miller on October 25, 2011
Item Package Quantity: 1
The packaging and website both claim that the 6350D has auto changeover from heating to cooling. However, that is NOT the case. If you need this feature, buy the 6450 instead. On my second call to their support 800 number the representative informed me of this and offered a trade in by mail. My other little gripe which required my first call to them, is that although installation was quick, their diagrams did not include one that matched my wiring. The good thing is that they were knowledgeable and quick, and their phone menu system didn't take all day to navigate through.
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17 of 17 people found the following review helpful By Steve on December 25, 2010
Item Package Quantity: 1
To address Mr. Dave's concern about the battery...

I've been using battery powered thermostats for over 15 years and my experience has been that the batteries will last for years. This is my first Honeywell so I can't comment on the exact amount of time the battery will last, but if you change the battery once every year as suggested in the instructions, you will never have a problem. Also, two months prior to battery depletion, this unit will flash a warning to replace the battery. However, I agree with Dave that a hard wired (power) system is better from a safety perspective. Honeywell sells models that do that too. Still, there is also the possibility that the furnace could fail while you're away and there are (freeze alarm dialers)devices that can call you in your winter home and inform you about that condition.

I also agree with Dave about the length of time the back light stays lit.

Other than that, I really like the unit. It's simple to program and use, and the display is very easy to see. Also, it doesn't overshoot the temperature like some other units I have used.

I highly recommend this thermostat.
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25 of 29 people found the following review helpful By Hoss on April 11, 2012
Item Package Quantity: 1
This programmable thermostat is generally a good one -- does what you need it to do. But there will come a day that you see an "In Recovery" message and wonder if it has robbed the liquor cabinet! This model has "Smart Response" setting that I found to be quite annoying. What happens is the thermostat attempts to calculate the amount of time it will take to reach the temperature at the next time setting. So if you want 69 degrees at 7:00 and your room is 61 degrees, the heating system will turn on long before 7:00 such that the room reaches 69 at that time. Well, seems interesting -- but you might find your furnace on full blast at 5:45 instead of 7:00. The mode will read: "In Recovery"

There is a way to turn off this feature but you won't find instructions about this in the Operating Manual. Quite oddl;y the advanced instructions are in the "Quick Installation Guide"! User friendly? I guess that is a matter of personal opinion.
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9 of 9 people found the following review helpful By LarryZ on January 29, 2014
Item Package Quantity: 1
I bought this model to replace my old, hard-to-program thermostat. Very simple. Easy to install. Easy to program. Did it all in less than a half hour. Very precise temperature control. Maintains temperature to 1 degree. Wherein, there is the rub.

When they say maintains temperature to +/- 1 degree, they mean 1 degree. At whatever temperature you set, if your room temperature changes by 1 degree, your furnace goes on. When it recovers that 1 degree, it shuts off. I have seen my furnace go on and run for three minutes and shut off. Three minutes later, it goes on again and repeats the cycle. It does this continuously until the next set-back.

My electric bill has gone up 50% due to the frequent cycling, and my gas bill went up 30%. All due to the frequent cycling of the system.

I suggest you opt for a thermostat that has a 2-3 degree cycle range. It will still maintain a comfortable temperature without running as frequently.
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