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King ESP230-R Electronic Line-Voltage Programmable Thermostat, White

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List Price: $121.88
Price: $77.95 & FREE Shipping. Details
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  • Programmable (buttons under front cover)
  • Large digital display with backlight
  • Simple 2 button control of temperature
  • Memory backup
  • UL Listed
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2 new from $77.95 5 used from $32.40 1 refurbished from $34.05
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King Electric
King ESP230-R Electronic Line-Voltage Programmable Thermostat, White
List Price: $121.88
Price: $77.95
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Frequently Bought Together

King ESP230-R Electronic Line-Voltage Programmable Thermostat, White + King PAW2422 2250-Watt 240-Volt Pic-A-Watt Wall Heater, Bright White
Price for both: $199.12

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Product Information

Technical Details
Part Number ESP230
Item Weight11.2 ounces
Product Dimensions8.2 x 5.6 x 2.8 inches
OriginMade in USA and Imported
Item model numberESP230-R
ColorWhite
ShapeRectangular
Power Sourcecorded-electric
Item Package Quantity1
Display StyleDigital
CertificationEnergy Saving Thermostat
Warranty Description1 year (all product components covered)
  
Additional Information
ASINB000PB32EU
Best Sellers Rank #69,985 in Home Improvement (See top 100)
Shipping Weight11.2 ounces (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableOctober 25, 2008
  
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Product Description

From the Manufacturer

This King ESP230 series programmable thermostat took years to develop and has become one of our most popular models! Backlighting of the large LCD digital screen makes for easy viewing even across a room. Two simple buttons control the temperature (up or down) while all programming buttons are conveniently hidden underneath the front cover, protected fron wandering, unauthorized fingers. Programming allows even temperature control and potential heating cost savings of up to 15%! Built-in snap action relay. Electronically anticipated. Three wire installation. Meets most energy codes. Temperature range: 44 - 95 degrees Fahrenheit. 208/240 Volts, 22 AMP.

Product Description

- Color: White - 240 Volts - Single Pole - Instructions Included

Customer Questions & Answers

Customer Reviews

This thermostat works great!
Sheri
It only happens a few times a year and we are just dealing with it as I am sure we would not be able to take it back and get a refund.
George G.
What I like: Easy to read, fairly easy to program once you figure out how.
Deborah S. Hall

Most Helpful Customer Reviews

9 of 10 people found the following review helpful By Sg on February 7, 2013
This is the third line voltage digital thermostat we have had in one zone, It failed after a year and a half. It failed because of a bad relay.
The zone with three 4 foot baseboards is well under the rated wattage rating on the thermostat.

I think in general this was a good thermostat, seemed to be reasonably accurate, easy to program (with the instructions)and fairly quiet in operation. If you have one heater or a minimal load I expect this would work fine and would last much longer although other people have noted premature failures as well.

For higher wattage installations it just seems that the 30 amp Omron relay in this thing is not up to the task of dealing with the number of cycles at high wattage. Mine didnt show any thermal damage but upon taking it apart it seems like this really is a lighter duty product than its specs make it out to be. If I were to use one again I would consider using it to control a master relay to reduce the load.

The last thing: all of these electronic line voltage thermostats have no failsafe if something goes wrong with them. That means the slightest malfunction could leave you with no heat and frozen pipes. I would never consider using one of these for the primary heat in a location (cabin, summer home, etc)that is left unattended for prolonged periods. The fact remains in 30 years I have never seen a wall mount bimetallic thermostat fail. I have had 3 electronic ones fail in 4 years... In my case I replaced this with a standard bimetallic wall thermostat like the house was originally built with and called it a day.
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7 of 8 people found the following review helpful By George G. on September 19, 2012
A few years ago I purchased and installed two ESP-230 thermostats (The kind that do not have different color backlighting). One of them works great without any issues. The other one worked fine for a while, but every now and then the thermostat will not turn the heat off due to the mechanical relay sticking and it can get pretty hot and waste a lot of electricity. After giving the thermostat a good whack or two, the relay becomes unstuck and the heat shuts off. It only happens a few times a year and we are just dealing with it as I am sure we would not be able to take it back and get a refund.

I recently bought two ESP-230-R thermostats (that do have the different color backlighting) as we have two new additions to the family and wanted them to have one in each room. After installing the thermostats per instruction and verifying everything was done right (I am somewhat of a perfectionist), both thermostats have issues. On both of them the mechanical relay just cycles on and off rapidly when turning the heat on (it just makes the clicking sound rapidly). I double checked the wiring verified that everything was installed perfectly and tried again, with the same results.

If King used a more reliable relay in these thermostats, I think they would be great. The only issue I have is with the relay, but considering that part is essential for turning the heat on and off, that is a pretty big issue.

Others have written good reviews for this product, so maybe I just have crappy luck, but when 3 out of 4 have problems; I can not give this product a good rating or recommend it to anyone.
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4 of 4 people found the following review helpful By Mr. Lopez on February 2, 2013
The two in the living room and bathroom are used the most. They have worked for 4 years but have started 'staying on' 3,4 sometimes 5(!) degrees past the setting they are programmed for requiring us to turn them off manually. They also seem to cycle more often coming on at incorrect settings...(ie: the livingroom one just came on...temp set at 68 screen shows room temp at 70??)

The one in the spare bedroom (used rarely) works perfectly but I feel the lack of use and the room rarely occupied contributes to its current condition. The manufacture white paper states that units installed in bathrooms may have a shorter life due to towel lint and moisture in the air getting the vents and affecting the life span of the relay. Thus, units in that are used more often in areas/rooms occupied more frequently by pets, people, cooking, bathing, etc. might show signs of the relay malfunction sooner.

I am going to try and 'blow' out the vents of any debris and clean the units per white pages and see if that gets the malfunctioning units some more time... Otherwise it's another $50-60....
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3 of 3 people found the following review helpful By Claycrusher on September 30, 2011
Verified Purchase
Shipping was super fast. Very flexible programming capability, but the initial programming can be a little tedious. Allows temporary temp changes without messing up the settings. Nice to be able to turn the backlight on/off. There's also a switch available to turn off the heat without messing up the settings.
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2 of 2 people found the following review helpful By rcrjoe on August 3, 2011
Verified Purchase
I had to look for replacement thermostats for my LUX units because they could not handle the amperage my heating system uses. This king thermostat can handle up to 22 amps. It has an on/off switch and has a back light. SO far I really like these units but it is not winter yet so only time will tell if they are a great thermostat but I have no reason to be concerned.
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4 of 5 people found the following review helpful By Sheri on October 3, 2011
Verified Purchase
We put one of these in each of our bedrooms, as we have baseboard heaters (also replaced with King ceramic baseboard heaters). This thermostat works great! It is keeping our bedrooms at the proper temperatures we programmed, and nice to have something so updated as to have digital instead of an old turn-knob thermostat. The backlight is great for a glow light in a kid's room at night too! You can turn off the backlight, as well as the heat itself, which will be great for summertime when we won't need them on.
We are very happy with this thermostat, highly recommend them for anyone with baseboard heaters. Also highly recommend the ceramic baseboard heaters - they are much more efficient, and a better and more stable heat.
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