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  • Easy to install and use
  • Integrated thermometer
  • Compatible with heat only systems
  • Compatible with gas fireplaces (24 volt) and furnace systems that use hot water, steam or gravity

Standard Heat Only Thermostat

The Honeywell CT50K1002 Standard Heat Only Manual Thermostat is a non-programmable thermostat designed specifically for heating systems. This manual thermostat comes equipped with an integrated thermometer and is relatively simple to install. The design of this heat only thermostat allows for seamless accessibility and installation. The swift installation process coupled with the manual thermostat's size adds a lot of versatility to a product that's already flexible. The Honeywell CT50K1002 Manual Heat Only Thermostat is compatible with gas fireplaces and furnace systems that utilize hot water, steam or gravity.

  • Single-Stage Heating and Cooling: No
  • Multi-Stage Heating and Cooling: No
  • Heating Only: Yes
  • Cooling Only: No
  • Compatible with Warm Air Furnace: Yes
  • Compatible with Central Air Conditioning: No
  • Compatible with Heat Pump (No Aux./EM): No
  • Compatible with Heat Pump (With Aux./EM): No
  • Compatible with Hot Water: Yes
  • Compatible with Steam or Gravity: Yes
  • Use with Floor/Wall Furnace 24V or 750mV: Yes
  • Use with Volt Gas Fireplace 24V or 750mV: Yes
  • Use with Pellet Stove for mV Thermostats: No
  • Use with Electric Baseboard 120V-240V: No
Product Details
Product Specs
Product Manuals
Honeywell Home Standard Heat Only Manual Thermostat - CT50K Video

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CT50K1002/E1 customer reviews

Overall Rating

7 Reviews
7 customers recommend this product
Honeywell Home Standard Heat Only Manual Thermostat - CT50K Reviews
Paul G
November 15, 2022
Verified Purchase
simple, two-wire millivolt thermostat

I hope this one lasts longer than its predecessor.

David Babcock
March 1, 2021
Verified Purchase
Good product

Unfortunately I ordered the wrong one, but the return process was quick and easy with no hassle. I ordered the correct one now.

Charles Carlson
April 22, 2020
Verified Purchase
Heat Only Manual Thermostat

Ordered the thermostat after old on in the master bedroom was in question. Once the new thermostat arrived we retested the older on and realized it was working just fine.

Daniel Corcoran
February 26, 2020
Verified Purchase
Honeywell Thermostat

Installed two thermostats for ceiling electric heat. They not only look nice they are functioning great! Thank You!

Salim Rayman
November 27, 2019
Verified Purchase
My Experience

My experience with this order was very good. I received my order on time.

Dave Haller
December 17, 2018
Verified Purchase

I received very good service product was the right item and received following day. Makes you live work well when you have a company that helps you get the job done on time. Thanks keep up the service. USA

Paul McLellan
January 24, 2018
Verified Purchase

Shipped on time easy to install works great

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