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  • Easy to install and use
  • Economy Model - simple, worry-free operation
  • Bimetal temperature sensor
  • Mercury Free
  • Mounting hardware and wall plate included
  • Compatible with heat only systems
  • NOT compatible with electric baseboard heat, heat pump systems, or multi stage heating/cooling systems

Standard Heat Only Thermostat

The Honeywell CT30A1005 Heat Only Thermostat has low voltage controls with a snap-action switch for heating systems. This non-programmable thermostat comes with mounting hardware (wall plate included) and does not require leveling. For straightforward temperature control, there's no substitute for Honeywell Non-Digital Thermostats. This manual thermostat controls heating in your home simply and effectively. Mercury free and compatible with heat only systems, this Honeywell Non-Programmable Thermostat has been an industry standard for years.

Complete with mounting hardware and a wall plate, this Heat Only Non-Programmable Thermostat is built with low voltage controls and a snap-action switch for heating systems. This Honeywell Manual Thermostat makes heat control in your home a breeze. No leveling is required.

  • 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 Heat Only Non Programmable Thermostat - CT30A Video

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CT30A1005 customer reviews

Overall Rating

8 Reviews
8 customers recommend this product
Honeywell Home Heat Only Non Programmable Thermostat - CT30A Reviews
Carl B
April 5, 2021
Verified Purchase
excellent condition

Thermostats came on time, were in prefect condition, and worked very well. thank you. Carl

Javier Garcia
February 17, 2021
Verified Purchase

Muchas Gracias, llego rápido y fue lo que pedí. Salu2

Jeffery Akers
January 2, 2021
Verified Purchase

Just the one I needed, thanks 😊

Margaret Belisle
December 11, 2020
Verified Purchase

When the 2nd thermostat I bought from another company, for over $50 also failed to work in under a year... I pulled the info from the original Honeywell product that had worked perfectly for 20 years. Happily, I found it online, at a GREAT price, and installed it easily and it works wonderfully. Thank you!

Claude Barnhart
March 6, 2020
Verified Purchase
Basic Thermostat

House is 110 years old, original gas-fired, gravity hot water, radiator heat system - needs only basic thermostat. CT30A1005 is what is needed/what works. Best Thermostat for this system.

Steven LaBrecque
October 31, 2019
Verified Purchase
Honeywell Thermostats

Works great for our application. Easy order process and fast turn around.

Ramon Moreno
January 22, 2019
Verified Purchase

Good and easy to order

Carl Balistreri
May 28, 2018
Verified Purchase

Thermostats are hard find in most stores. They function superbly on wall heaters. would not use anything else

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