Honeywell Home Round Heat Only Thermostat - Large (CT87K1004)
The Honeywell Home CT87K1004 The Round Heat Only Manual Thermostat is a classic and reliable option for adjusting the temperature in your home or building. With its familiar circu…
Product review summary
This page is intentionally secondary to the manual page and exists to provide review-oriented context.
Pros:
- Classic round styling
- Accurate temperature control of +/-1° F
- Easy to install and use
- Mercury-free
Cons:
- Some users have reported issues with the thermostat not working properly
- Customer support has been reported as non-existent or unhelpful
- Flimsy and cheaply made
- Calibration issues with room temperature readings
FAQ
Q: What type of thermostat is Honeywell Home CT87K1004?
A: Honeywell Home CT87K1004 is a non-programmable, heat-only mechanical thermostat.
Q: What are the dimensions and weight of this thermostat?
A: The product dimensions are 3.62 x 3.62 x 2.88 inches, and it weighs 8 ounces.
Q: Is this thermostat mercury-free?
A: Yes, Honeywell Home CT87K1004 is mercury-free.
Q: Will this thermostat work with millivolt systems?
A: No, Honeywell customer support confirms that it does not work with millivolt systems.
Q: Does this thermostat require a battery?
A: No, this thermostat does not require a battery.
Q: Can this thermostat be turned off during the summer time?
A: Yes, to turn it off during the summer time, turn the dial to its CCW-min or pull the unit out of its socket.
Q: Will this thermostat work for replacing a King thermostat-line voltage double pole?
A: No, for replacing a King thermostat-line voltage double pole, search for "line voltage thermostat" in tools & home improvement.
Q: Is the cover of this thermostat sold separately?
A: No, the cover of Honeywell Home CT87K1004 is not sold separately.
Q: Will this thermostat work with a heat pump unit?
A: It is recommended to contact a heating professional to determine if this thermostat will work with a heat pump unit.
Q: Has anyone had trouble with the boiler coming on too often with this thermostat?
A: Yes, some users have reported that the boiler cycles on and off multiple times for just a few minutes when the room temperature has dropped below the set point. It should start less often and stay on longer after starting.
Additionally, some users have reported issues with installation and functionality. It is recommended to carefully review the product information and contact customer support if needed.
Specifications
Structured product details pulled from the latest available product data.
| Brand | Honeywell Home |
|---|---|
| Manufacturer | Honeywell Home |
| Model Number | CT87K1004 |
| Category | Tools & Home Improvement > Building Supplies > HVAC > Thermostats & Accessories > Thermostats > Nonprogrammable |
| Color | White |
| Weight | 3.2 ounces |
| Dimensions | 2.88"D x 3.62"W x 3.62"H |
| First Available | June 15, 2006 |
| Product Dimensions | 2.88"D x 3.62"W x 3.62"H |
| Controller Type | Ring |
| Special Feature | Fan Control |
| Specific Uses For Product | Air Conditioner |
| Temperature Control Type | Manual |
| Included Components | Honeywell CT87K The RoundHeat Only Manual Thermostat |
| Power Source | Battery Powered |
| Item Weight | 0.2 Pounds |
| Voltage | 120 Volts |
| Shape | Round |
| Display Type | Manual |
| Control Type | Dial Control |
| Mounting Type | Round Non-Programmable Thermostat Owner's Guide Model: CT8775A,C French |
| Style | Thermostat Round |
| Backlight | No |
| UPC | 085267263672 |
| Global Trade Identification Number | 00085267263672 |
| Part Number | YCT87K1003/U |
| Item Weight | 3.2 ounces |
| Item model number | CT87K1004 |
| Is Discontinued By Manufacturer | No |
| Size | Large |
| Item Package Quantity | 1 |
| Type of Bulb | LED |
| Special Features | Fan Control |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 1 year limited warranty. |
| ASIN | B000EANORW |
| Customer Reviews | 4.1 4.1 out of 5 stars (2,806) 4.1 out of 5 stars |
| Best Sellers Rank | #5,169 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #5 in Home Nonprogrammable Thermostats |
| Date First Available | June 15, 2006 |
| Brand | Honeywell Home |
| Product Dimensions | 2.88"D x 3.62"W x 3.62"H |
| Controller Type | Ring |
| Special Feature | Fan Control |
| Color | White |