Mercury free thermostat with simple worry-free operation.
Honeywell Classic Round design, world's most popular thermostat.
Precise temperature control for heat only systems.
Classic round styling.
Decorative wall cover ring included, hides wall marks from previous thermostat.
Compatible with heating only systems - forced air (gas, oil & electric), hot water & steam, heat pumps without backup.
NOT compatible with electric baseboard heat (120-240V), heat pumps with backup or multi-stage heating/cooling.
There is a reason why the Honeywell Round Heat Only Manual Thermostat is considered one of the most popular thermostats in the world. Installed in well over 70 million homes and buildings, the Round Heat Only Manual Thermostat is an easily accessible and reliable option to adjusting your surrounding's temperature. This non-programmable thermostat has been designed to be especially user friendly and features a simple and precise round design that's been celebrated for its ease of use and precision. Mercury free and featuring a decorative covering ring to cover surrounding wall marks, the Round Heat Only Manual Thermostat is a modern classic that has earned its distinction as a top end thermostat. The CT87K Honeywell Thermostat is compatible with heating only systems including: forced air (gas, oil & electric), hot water & steam, heat pumps without backup.
Product Dimensions (Diameter x Depth): 3.62 x 2.88 in.
not good - 12/24/2018
Reviewer: Thomas Hayes
The temperature control part works but the thermometer to read room temp did not work from day 1. I needed the thermostat so will have to live with what i got. Poor quality control
Customer Service Response: We apologize for the inconvenience. We'd be happy to assist you in resolving this matter. Please see the following attachment for additional information: Return Policy and Instructions
Thermostat - 11/13/2018
Reviewer: Dianne Karl
Very satisfied, fast delivery, good instructions, easy to install.
Easy - 03/13/2018
So easy to install. Best thermostat on the market,
. I had an old one with the mercury
And it lasted over 30 yrs. New one works effectively.
Thermostar - 11/24/2016
Reviewer: Brian Reshetnik
Nice product I have used it in two different houses over two decades no problems. Keep making the product.
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