30 March, 2026
Top 10 Best Honeywell Cms927b1049 Replacement of 2026
Last Updated - 30 March, 2026
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Hanicks
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Honeywell-Resideo Totalhome CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk 3 Replacement) Wireless Room Thermostat & Receiver TTHWFP - Hanicks
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Why We Love It
- The Pro Series Wireless Programmable Thermostat is a BRAND NEW 2021 launched, 7 day programmable room thermostat designed to replace all existing Honeywell CM Series Wireless Thermostats. The 'Pro Series' is made in the UK by Resideo (who were formally part of Honeywell International Inc.) and distributed by Hanicks Ltd.
- The Pro Series Wireless Programmable Thermostat will replace the following Honeywell CM Series products: CM921, CMS921, CMS921B1042 CM927, CMS927, CMS927B1049 CM727, CMS727, CMS727E1016 CM721, CMS721
- The Pro Series Wireless Programmable Thermostat works with the following Honeywell Wireless Relay Boxes: BDR91 HC60NG R6660D R8810A OpenTherm Bridge
- Replaces all Honeywell CM700 and CM900 series wireless thermostats
- Optimum Start & Stop saves energy and money by getting to the correct temperature at the correct time and turning off the heating early if the room temperature is correct.
- Updated user interface provide modern on-screen feedback
- Built-in memory holds the user program indefinitely so that it is never lost even if you remove the batteries
- Easily binds to all existing Honeywell Wireless Relay Boxes. Comes with Instructions on 'How to' for your installation engineer.
- Box Contains: 1x Pro Series 7 Day Programmable Wireless Room Unit 2x AA Alkaline Batteries 1x Wall Mount 1x Stand Mount
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TotalHome
TotalHome - Wireless Room Thermostat & Receiver (Honeywell/Resideo) CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk2 Replacement) (TTHWFP)
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Main Highlights
- TotalHome is designed and manufactured by Honeywell/Resideo.
- Direct replacement for the Honeywell models CM927, CMS927, CM727, and CM921
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LavaTap
LavaTap Pro Honeywell Wireless Programmable Thermostat CM927 CM921 CM727 Replacement 7 Day Central Heating Programmer Boiler Plus Compliant White Standard
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Main Highlights
- Made And Supported By Honeywell Resideo: Manufactured and supported providing recognised product backing and technical support
- Direct Replacement Compatibility: Designed as a replacement for Honeywell CM927 CM921 CM727 CMS727 CMT727 CMS921 CMS927 and older CM721 CMS721 CMS727E1016 CMS927B1049 wireless room thermostat and receiver models
- Wireless System Requirement: Suitable for wireless Honeywell heating systems using a relay box and on off control not suitable for wired thermostats or OpenTherm only installations
- Pre Bound And BDR91 Compatible: Supplied pre bound with relay box and can also be bound to Honeywell BDR91 relay box with setup guidance and QR video support
- 7 Day Programmer Boiler Plus Compliant: 7 day programmer with four time schedules per day intelligent heating control and Boiler Plus compliance to help meet Part L regulations
- Complete Kit With Memory Retention: Includes wireless thermostat relay box table stand AA batteries and instructions with built in memory retaining programme settings during battery change
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Our Rankings
Hanicks
Hanicks Honeywell-Resideo TotalHome CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk3 Replacement) Wireless Room Thermostat & Receiver Kit TTHWFP
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Main Highlights
- The Pro Series Wireless Programmable Thermostat is a BRAND NEW 2021 launched, 7 day programmable room thermostat designed to replace all existing Honeywell CM Series Wireless Thermostats. The 'Pro Series' is made in the UK by Resideo (who were formally part of Honeywell International Inc.) and distributed by Hanicks Ltd.
- The Pro Series Wireless Programmable Thermostat will replace the following Honeywell CM Series products: CM921, CMS921, CMS921B1042 CM927, CMS927, CMS927B1049 CM727, CMS727, CMS727E1016 CM721, CMS721
- The Pro Series Wireless Programmable Thermostat works with the following Honeywell Wireless Relay Boxes: BDR91 HC60NG R6660D R8810A OpenTherm Bridge
- Replaces all Honeywell CM700 and CM900 series wireless thermostats
- Optimum Start & Stop saves energy and money by getting to the correct temperature at the correct time and turning off the heating early if the room temperature is correct.
- Updated user interface provide modern on-screen feedback
- Built-in memory holds the user program indefinitely so that it is never lost even if you remove the batteries
- Easily binds to all existing Honeywell Wireless Relay Boxes
- Box Contains: 1x Pro Series 7 Day Programmable Wireless Room Unit 2x AA Alkaline Batteries 1x Wall Mount 1x Stand Mount
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Our Rankings
Adept Technology
Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White
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Main Highlights
- The Adept Wireless Programmable Thermostat, a state-of-the-art replacement unit for the Honeywell CM927, CMS927, and CMS927B1049 Wireless Room Thermostats. Designed with the latest technology, this thermostat offers a seamless transition from your existing Honeywell CM Series Wireless Thermostats, ensuring consistent temperature regulation and enhanced user experience.
- 7-Day Programmability: Customize your heating schedule for every day of the week, ensuring optimal comfort and energy efficiency.
- Compatibility: Directly replaces a range of Honeywell CM Series products, including CM921, CMS921, CMS921B1042, CM927, CMS927, CMS927B1049, CM727, CMS727, CMS727E1016, and CM721.
- Advanced RF Protocol: Utilizes the 868MHz 'Ramses 2' RF protocol for reliable communication and performance.
- User-Friendly Interface: While it mirrors the user display menu of Honeywell Home's T3 Series Thermostat, it offers unique features like the absence of the +1hr function and flame icon during heating demand.
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Our Rankings
Hanicks
Honeywell-Resideo Totalhome CM907 CM901 CM707 CM701 CMT907A1041 CMT701A1014 CMT707A1029 CMT901A1044 (Mk2 Replacement) Wired Room Thermostat TTHWP – Hanicks
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Main Highlights
- Easy replacement for Honeywell CM907 CM901 CM707 CM701 CMT907A1041 CMT701A1014 CMT707A1029 CMT901A1044 Thermostats
- Hardwired to boiler and powered by 2 x AA batteries
- Made and supported by Honeywell Home By (Resideo) with dedicated technical support number
- Uses Honeywell ABC wiring terminal labelling for simple replacement
- 7 day programmer / 4 time schedules per day / Intelligent heating control / Boiler Plus compliant to meet current Part L building regulations
- Updated user interface provide modern on-screen feedback
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Plumbhub Plumbing and Heating Supplies
Plumbhub-Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White
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Main Highlights
- Programmable Thermostat: This digital thermostat allows you to set your desired temperature and schedule for optimal comfort and energy savings.
- Easy Operation: The intuitive controls and clear display make it simple to adjust the temperature or program settings.
- Wireless Remote Sensor: The included wireless sensor detects the temperature in another room for more accurate whole-home heating or cooling.
- Replacement unit for the older versions of CM721 CMS721 CM727 CMS727 CMS727E1016 CM927 CM921 CMS927 CMS927B1049 Wireless Room Thermostat & Receiver
- Energy Efficient: By programming the thermostat to your schedule, you can reduce energy consumption and lower utility bills.
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Our Rankings
Honeywell Home
Honeywell Home T136C110AEU T136 : Thermostat programmable, Blanc
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Main Highlights
- A programmable and digital thermostat, ideal for hydronic heating applications with standard and combined boilers, electric, gas or oil heating systems (On/Off; 230 V 5 (2) A relay)
- High-precision digital TPI control: it minimizes temperature changes for unparalleled comfort
- Operating modes: automatic, manual, vacation (frost protection) Sleep/Wake switch: it switches the thermostat to sleep mode when not in use
- Adjustable and preprogrammed energy saving schedule with 4 configurations per day during the week days and 2 configurations during the weekends. The early start function allows the heating to start optimally in order to obtain the desired temperature for the set programmed time
- Pump protection activates the pump for one minute every 24 hours to prevent seizure. The accurate LCD shows the room temperature in steps of 0.1°C.
- Easy installation, the connection requires only 2 wires. Optional remote input - allowing temperature modes to be changed from the home automation/alarm system
- Compact and elegant design: with hidden programming keys. The low battery light gives 60 days of warning to change the batteries (2 AAA batteries are required - not included)
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Honeywell
Honeywell T6360B1028 Room Thermostat, 230/240V, White, 1
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Main Highlights
- Dual Diaphram sensing element ensures close temperature control fo all loads and applications
- Attractive modern styling makes this thermostat ideal for locating in the living space
- Changeover contacts for use in cooling or heating/cooling applications
- Double insulated. No earth wire required for operation.
- Improved easy-to-wire terminals with built in conductor clamps to ensure wiring is retained securely
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Our Rankings
Hanicks
Honeywel T4R Wireless 7 Day Programmable Thermostat Y4H910RF4003 (Replaces CM927 CMS927 CM921 CMS921 CM727 CM721) Genuine Part - Hanicks
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Main Highlights
- Wireless Programmable Thermostat will replace the following Honeywell CM Series products: CM921, CMS921, CMS921B1042 CM927, CMS927, CMS927B1049 CM727, CMS727, CMS727E1016 CM721, CMS721
- 7Day Programmable Schedule Configure flexible heating plans for each day or use preset 5/2/1-day options, with up to 46 independent time & temperature slots per day
- Wireless Convenience Pre-paired thermostat and receiver with up to 30m range; no binding needed for a straightforward install
- Dual Control Compatibility Works with 24230V on/off systems (boilers, heat pumps, zone valves) and supports OpenTherm boilers via the receiver module
- EnergySaving Smart Features Includes TPI control, optimum start/stop, frostprotection down to 5°C, and holiday mode (199days)
- UserFriendly Design Large backlit LCD, intuitive pushbutton interface, temporary override (12hours), and automatic daylight saving adjustment
- Easy Installation & Maintenance Flip-up wiring terminals, clear LED indicators, battery-powered (2×AA with low-battery alert), wireless relay, and clear wiring labels for quick setup