Best Wireless Central Heating Programmer And Thermostat of 2025

Last updated on 19/12/2025
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1
Plumbhub-Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

Plumbhub-Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

Plumbhub Plumbing and Heating Supplies
Free Shipping
Why we love it
  • Programmable for energy savings.
  • Easy and intuitive controls.
  • Accurate whole-home temperature.
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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9.7
Exceptional
9.7
Exceptional
Plumbhub Plumbing and Heating Supplies

Plumbhub-Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

Free Shipping
Why we love it
  • Programmable for energy savings.
  • Easy and intuitive controls.
  • Accurate whole-home temperature.
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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Value for Money
2
LavaTap Pro Honeywell Wireless Programmable Thermostat CM927 CM921 CM727 Replacement Central Heating Programmer Boiler Plus Compliant, White, Standard

LavaTap Pro Honeywell Wireless Programmable Thermostat CM927 CM921 CM727 Replacement Central Heating Programmer Boiler Plus Compliant, White, Standard

LavaTap
Free Shipping
Why we love it
  • Seamless replacement for various models.
  • Maintains program after battery removal.
  • Features intelligent heating control.
Main Highlights
  • Made and supported by Honeywell (Resideo)
  • Easy replacement for Honeywell CM927 CM921 CM727 CMS727 CMT727 CMS921 CMS927
  • Pre-bound for wireless communication or can be bound to Honeywell BDR91 relay box - Video instructions included via QR code
  • Replacement unit for the older versions of CM721 CMS721 CM727 CMS727 CMS727E1016 CM927 CM921 CMS927 CMS927B1049 Wireless Room Thermostat & Receiver Replacement unit for the older versions of CM721 CMS721 CM727 CMS727 CMS727E1016 CM927 CM921 CMS927 CMS927B1049 Wireless Room Thermostat & Receiver
  • Built-in memory retains user program – even following battery removal
  • 7 day programmer / 4 time schedules per day / Intelligent heating control / Boiler Plus compliant to meet current Part L building regulations
  • Comes with wireless programmable thermostat, relay box, table stand, AA batteries and instructions
  • Mounting type: Wall Mount
  • Item shape: Rectangular
  • Control type: Button Control
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9.7
Exceptional
9.7
Exceptional
LavaTap

LavaTap Pro Honeywell Wireless Programmable Thermostat CM927 CM921 CM727 Replacement Central Heating Programmer Boiler Plus Compliant, White, Standard

Free Shipping
Why we love it
  • Seamless replacement for various models.
  • Maintains program after battery removal.
  • Features intelligent heating control.
Main Highlights
  • Made and supported by Honeywell (Resideo)
  • Easy replacement for Honeywell CM927 CM921 CM727 CMS727 CMT727 CMS921 CMS927
  • Pre-bound for wireless communication or can be bound to Honeywell BDR91 relay box - Video instructions included via QR code
  • Replacement unit for the older versions of CM721 CMS721 CM727 CMS727 CMS727E1016 CM927 CM921 CMS927 CMS927B1049 Wireless Room Thermostat & Receiver Replacement unit for the older versions of CM721 CMS721 CM727 CMS727 CMS727E1016 CM927 CM921 CMS927 CMS927B1049 Wireless Room Thermostat & Receiver
  • Built-in memory retains user program – even following battery removal
  • 7 day programmer / 4 time schedules per day / Intelligent heating control / Boiler Plus compliant to meet current Part L building regulations
  • Comes with wireless programmable thermostat, relay box, table stand, AA batteries and instructions
  • Mounting type: Wall Mount
  • Item shape: Rectangular
  • Control type: Button Control
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3
Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

Adept Technology
Why we love it
  • Offers seamless thermostat transition.
  • Enhanced user-friendly interface.
  • Promotes energy and cost savings.
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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9.6
Superb
9.6
Superb
Adept Technology

Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

Why we love it
  • Offers seamless thermostat transition.
  • Enhanced user-friendly interface.
  • Promotes energy and cost savings.
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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4
Siemens RDH100 Wireless Room Thermostat & Receiver

Siemens RDH100 Wireless Room Thermostat & Receiver

SIEMENS
Why we love it
  • Enhances room temperature regulation.
  • Offers clear digital display.
  • Ensures easy manual override.
Main Highlights
  • Room thermostat & receiver
  • Digital display
  • Control dial
  • Manual override
  • Battery operated
Show More
9.5
Superb
9.5
Superb
SIEMENS

Siemens RDH100 Wireless Room Thermostat & Receiver

Why we love it
  • Enhances room temperature regulation.
  • Offers clear digital display.
  • Ensures easy manual override.
Main Highlights
  • Room thermostat & receiver
  • Digital display
  • Control dial
  • Manual override
  • Battery operated
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5
Honeywell Home DT3R Wireless Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (White)

Honeywell Home DT3R Wireless Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (White)

Honeywell Home
15% OffFree Shipping
Why we love it
  • Sleek, user-friendly design.
  • Energy-efficient with eco mode.
  • Hassle-free, versatile installation.
Main Highlights
  • The Only Thermostat You Need: Built on feedback from professionals, the DT3 smart thermostat range brings together a slim, modern design with easy to use functions. Choose a wired or wireless room thermostat to suit any installation.
  • Versatile: The wireless thermostat can be installed standalone or part of an existing system, including conventional and combi boilers, and new heating systems. Compatible with hybrid and green heating systems.
  • User Friendly: Intuitively designed digital thermostat for easy operation. Features capacitive touch buttons and an easy to read, energy efficient, LED based dimming display that turns off when the screen is not in use.
  • Forward Thinking Design: Backward and forward compatible with both heating and cooling, including gas boilers, combi-boilers, and heat pumps. This system can be integrated with other smart devices from Honeywell Home.
  • Customer Favourite: This Honeywell thermostat provides easy programming, built in frost protection, and self learning TPI fuzzy logic control. The slim design looks sleek and modern in any home. Includes batteries.
  • Energy Saving Programs: The Honeywell wireless thermostat includes a built in boost mode to increase room temperature for a set time period. It also features a built in eco mode to reduce room temperature for set times to help save on energy costs.
  • Easy to Install: DT3R wireless thermostats come with installation manuals in the box, including QR codes that lead directly to installation videos. Features a wiring plate for easy installation with a variety of systems and applications.
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9.3
Superb
9.3
Superb
Honeywell Home

Honeywell Home DT3R Wireless Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (White)

15% OffFree Shipping
Why we love it
  • Sleek, user-friendly design.
  • Energy-efficient with eco mode.
  • Hassle-free, versatile installation.
Main Highlights
  • The Only Thermostat You Need: Built on feedback from professionals, the DT3 smart thermostat range brings together a slim, modern design with easy to use functions. Choose a wired or wireless room thermostat to suit any installation.
  • Versatile: The wireless thermostat can be installed standalone or part of an existing system, including conventional and combi boilers, and new heating systems. Compatible with hybrid and green heating systems.
  • User Friendly: Intuitively designed digital thermostat for easy operation. Features capacitive touch buttons and an easy to read, energy efficient, LED based dimming display that turns off when the screen is not in use.
  • Forward Thinking Design: Backward and forward compatible with both heating and cooling, including gas boilers, combi-boilers, and heat pumps. This system can be integrated with other smart devices from Honeywell Home.
  • Customer Favourite: This Honeywell thermostat provides easy programming, built in frost protection, and self learning TPI fuzzy logic control. The slim design looks sleek and modern in any home. Includes batteries.
  • Energy Saving Programs: The Honeywell wireless thermostat includes a built in boost mode to increase room temperature for a set time period. It also features a built in eco mode to reduce room temperature for set times to help save on energy costs.
  • Easy to Install: DT3R wireless thermostats come with installation manuals in the box, including QR codes that lead directly to installation videos. Features a wiring plate for easy installation with a variety of systems and applications.
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6
Salus RT510RF/TX 5/2-Day Wireless Programmable Thermostat Central Heating Control

Salus RT510RF/TX 5/2-Day Wireless Programmable Thermostat Central Heating Control

Salus
Free Shipping
Why we love it
  • Efficient same day dispatch.
  • Free first class delivery.
  • Reliable one-year replacement guarantee.
Main Highlights
  • Manual mode on thermostat to disable schedule
  • Pre-paired wireless communication, so no more dip switches!
  • Heating Boost mode
  • Receiver manual override switch
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9.2
Superb
9.2
Superb
Salus

Salus RT510RF/TX 5/2-Day Wireless Programmable Thermostat Central Heating Control

Free Shipping
Why we love it
  • Efficient same day dispatch.
  • Free first class delivery.
  • Reliable one-year replacement guarantee.
Main Highlights
  • Manual mode on thermostat to disable schedule
  • Pre-paired wireless communication, so no more dip switches!
  • Heating Boost mode
  • Receiver manual override switch
Show More
7
Wireless Thermostat ESRTP4RF+, Wireless Programmable Room Thermostat for Gas Boiler & Water Underfloor Heating, Central Heating Controller with TPI Energy Saving, Timer, Backlit LCD Display, 3 Modes

Wireless Thermostat ESRTP4RF+, Wireless Programmable Room Thermostat for Gas Boiler & Water Underfloor Heating, Central Heating Controller with TPI Energy Saving, Timer, Backlit LCD Display, 3 Modes

Mekturm
Free Shipping
Why we love it
  • Seamless compatibility with leading brands.
  • Smart energy-saving technology reduces costs.
  • Flexible programming for personalized comfort.
Main Highlights
  • 【Universal Wireless Thermostat Compatibility】: Works seamlessly with gas boilers and water underfloor heating systems, including combi boilers, system boilers, thermal actuators, motorized valves, and circulating pumps. Fully compatible with leading UK brands: Worcester Bosch Greenstar, Vaillant EcoTEC, British Gas 600/800, Ideal Logic, Baxi EcoBlue, Glow-worm, and Viessmann.
  • 【Smart Energy-Saving Heating Thermostat】: Reduces heating costs by 10-15% with advanced TPI control, optimum start/stop, and delayed start algorithms. Four flexible modes—Auto, Manual, Override, and Off—automatically optimize boiler cycles for maximum efficiency.
  • 【Flexible 7-Day Programming】: Customize 4 or 6 time/temperature events daily with 7-day, 5/2-day, or 24-hour operation modes. Manual temporary adjustments adapt instantly to your changing schedule for personalized comfort.
  • 【Wireless Thermostat and Receiver with 30m Range】: Boiler thermostat wireless system uses 868MHz two-way RF communication for stable, wire-free installation in any room. Strong signal penetrates walls with no drilling or complex wiring required—simply pair and place.
  • 【Large Backlit Display & Hassle-Free Maintenance】: This heating thermostat wireless features a large blue backlit LCD for clear visibility. Powered by 2 AA batteries (not included) with low-battery alerts, it delivers simple setup and minimal ongoing maintenance.
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9.1
Superb
9.1
Superb
Mekturm

Wireless Thermostat ESRTP4RF+, Wireless Programmable Room Thermostat for Gas Boiler & Water Underfloor Heating, Central Heating Controller with TPI Energy Saving, Timer, Backlit LCD Display, 3 Modes

Free Shipping
Why we love it
  • Seamless compatibility with leading brands.
  • Smart energy-saving technology reduces costs.
  • Flexible programming for personalized comfort.
Main Highlights
  • 【Universal Wireless Thermostat Compatibility】: Works seamlessly with gas boilers and water underfloor heating systems, including combi boilers, system boilers, thermal actuators, motorized valves, and circulating pumps. Fully compatible with leading UK brands: Worcester Bosch Greenstar, Vaillant EcoTEC, British Gas 600/800, Ideal Logic, Baxi EcoBlue, Glow-worm, and Viessmann.
  • 【Smart Energy-Saving Heating Thermostat】: Reduces heating costs by 10-15% with advanced TPI control, optimum start/stop, and delayed start algorithms. Four flexible modes—Auto, Manual, Override, and Off—automatically optimize boiler cycles for maximum efficiency.
  • 【Flexible 7-Day Programming】: Customize 4 or 6 time/temperature events daily with 7-day, 5/2-day, or 24-hour operation modes. Manual temporary adjustments adapt instantly to your changing schedule for personalized comfort.
  • 【Wireless Thermostat and Receiver with 30m Range】: Boiler thermostat wireless system uses 868MHz two-way RF communication for stable, wire-free installation in any room. Strong signal penetrates walls with no drilling or complex wiring required—simply pair and place.
  • 【Large Backlit Display & Hassle-Free Maintenance】: This heating thermostat wireless features a large blue backlit LCD for clear visibility. Powered by 2 AA batteries (not included) with low-battery alerts, it delivers simple setup and minimal ongoing maintenance.
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8
Team Controls 7 Days 2 Channel Programmer for Central Heating & Domestic Hot water TC-2CP

Team Controls 7 Days 2 Channel Programmer for Central Heating & Domestic Hot water TC-2CP

22.5 Team Controls
Why we love it
  • Dual channel for versatile use.
  • User-friendly touch controls available.
  • Energy-saving programming options included.
Main Highlights
  • Channels Dual (Hot Water and Central Heating)
  • Power Supply Mains powered (230V)
  • Programming Modes 1 day / 5+2 day / 7 day
  • Time Periods per Day 3 ON/OFF periods per channel
  • Operating Modes ON, ONCE, AUTO, OFF
  • System Compatibility Gravity-fed & Fully pumped systems
  • Display LCD with icons and backlighting
  • Frost Protection Adjustable from OFF to 20 degrees C (0.5 degrees C steps)
  • Holiday Mode 0-60 days
  • Controls Touch buttons with visual feedback
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8.9
Excellent
8.9
Excellent
22.5 Team Controls

Team Controls 7 Days 2 Channel Programmer for Central Heating & Domestic Hot water TC-2CP

Why we love it
  • Dual channel for versatile use.
  • User-friendly touch controls available.
  • Energy-saving programming options included.
Main Highlights
  • Channels Dual (Hot Water and Central Heating)
  • Power Supply Mains powered (230V)
  • Programming Modes 1 day / 5+2 day / 7 day
  • Time Periods per Day 3 ON/OFF periods per channel
  • Operating Modes ON, ONCE, AUTO, OFF
  • System Compatibility Gravity-fed & Fully pumped systems
  • Display LCD with icons and backlighting
  • Frost Protection Adjustable from OFF to 20 degrees C (0.5 degrees C steps)
  • Holiday Mode 0-60 days
  • Controls Touch buttons with visual feedback
Show More
9
Honeywell Home T3R Wireless Smart Thermostat Kit - 7-Day Programmable Wall Thermostat with Intuitive Controls - 868 MHZ - Large Backlit Display, Flexible Scheduling & Compatibility

Honeywell Home T3R Wireless Smart Thermostat Kit - 7-Day Programmable Wall Thermostat with Intuitive Controls - 868 MHZ - Large Backlit Display, Flexible Scheduling & Compatibility

Honeywell Home
19% OffFree Shipping
Why we love it
  • Wireless and universally compatible thermostat.
  • Clear display with intelligent navigation.
  • Efficient, customizable heating control.
Main Highlights
  • Versatile Compatibility - Compatible with 24-230V on/off and OpenTherm systems, including gas boilers, combi boilers, and heat pumps. This smart thermostat for combi boilers is super easy to install.
  • Customisable 7-Day Scheduling - Configure up to 6 independent heating periods per day with this wireless boiler control thermostat. Includes a pre-configured schedule for added convenience and automatic time clock adjustment.
  • User Friendly Digital Display - Features a large backlit screen showing current and target temperatures, along with helpful mode and status icons. This wireless room thermostat ensures easy readability.
  • Energy-Saving Features - Battery-operated (2AA included), featuring ECO mode, automatic time adjustment, and optimised TPI learning. These features help this smart heating thermostat reduce energy waste and lower heating bills.
  • Secure Yet Simple - User-friendly interface is easy to program, with lock options to prevent tampering in public spaces. With its compact design this digital thermostat for central heating is suitable for various locations and comes with a 2 year warranty.
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8.8
Excellent
8.8
Excellent
Honeywell Home

Honeywell Home T3R Wireless Smart Thermostat Kit - 7-Day Programmable Wall Thermostat with Intuitive Controls - 868 MHZ - Large Backlit Display, Flexible Scheduling & Compatibility

19% OffFree Shipping
Why we love it
  • Wireless and universally compatible thermostat.
  • Clear display with intelligent navigation.
  • Efficient, customizable heating control.
Main Highlights
  • Versatile Compatibility - Compatible with 24-230V on/off and OpenTherm systems, including gas boilers, combi boilers, and heat pumps. This smart thermostat for combi boilers is super easy to install.
  • Customisable 7-Day Scheduling - Configure up to 6 independent heating periods per day with this wireless boiler control thermostat. Includes a pre-configured schedule for added convenience and automatic time clock adjustment.
  • User Friendly Digital Display - Features a large backlit screen showing current and target temperatures, along with helpful mode and status icons. This wireless room thermostat ensures easy readability.
  • Energy-Saving Features - Battery-operated (2AA included), featuring ECO mode, automatic time adjustment, and optimised TPI learning. These features help this smart heating thermostat reduce energy waste and lower heating bills.
  • Secure Yet Simple - User-friendly interface is easy to program, with lock options to prevent tampering in public spaces. With its compact design this digital thermostat for central heating is suitable for various locations and comes with a 2 year warranty.
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10
Wireless Thermostat Programmable Computherm Q72RF white, portable thermostat with RF receiver, ideal for central heating, simple and reliable temperature control

Wireless Thermostat Programmable Computherm Q72RF white, portable thermostat with RF receiver, ideal for central heating, simple and reliable temperature control

COMPUTHERM
Free Shipping
Why we love it
  • User-friendly and easy to use.
  • Customizable schedules fit your lifestyle.
  • Energy savings reduce heating costs.
Main Highlights
  • User-friendly display & settings lock: Large backlit screen with adjustable brightness, temperature calibration, °C/°F switch and child lock for tamper-free operation. Runs on 2×AA batteries for easy maintenance.
  • 7-day programmable with 1 + 10 switching times/day: Create separate schedules for each day — 1 fixed + 10 custom time slots per day so your heating/cooling fits your life.
  • Heating & cooling + pump protection: Easy to switch between heating and cooling modes; built-in pump protection to extend equipment life. Works with boilers, heat pumps and zone valves.
  • Flexible temporary/manual modes: Quick manual override options — until next program, for 1–99 hours, or 1–99 days. Ideal for guests, weekends or sudden weather changes.
  • Wireless & Portable — Place it anywhere: 868 MHz RF connection with ~50 m open-range transmission. Move the thermostat freely for perfect room placement without rewiring.
  • Easy-to-install, highly accurate wireless thermostat — programmable weekly schedules + portable design save energy and give room-by-room comfort.
  • Save energy & reduce heating costs: Programmable scheduling and precise temperature control prevent unnecessary heating or cooling. Only heat the rooms you need — cutting your energy bills while staying comfortable
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8.7
Excellent
8.7
Excellent
COMPUTHERM

Wireless Thermostat Programmable Computherm Q72RF white, portable thermostat with RF receiver, ideal for central heating, simple and reliable temperature control

Free Shipping
Why we love it
  • User-friendly and easy to use.
  • Customizable schedules fit your lifestyle.
  • Energy savings reduce heating costs.
Main Highlights
  • User-friendly display & settings lock: Large backlit screen with adjustable brightness, temperature calibration, °C/°F switch and child lock for tamper-free operation. Runs on 2×AA batteries for easy maintenance.
  • 7-day programmable with 1 + 10 switching times/day: Create separate schedules for each day — 1 fixed + 10 custom time slots per day so your heating/cooling fits your life.
  • Heating & cooling + pump protection: Easy to switch between heating and cooling modes; built-in pump protection to extend equipment life. Works with boilers, heat pumps and zone valves.
  • Flexible temporary/manual modes: Quick manual override options — until next program, for 1–99 hours, or 1–99 days. Ideal for guests, weekends or sudden weather changes.
  • Wireless & Portable — Place it anywhere: 868 MHz RF connection with ~50 m open-range transmission. Move the thermostat freely for perfect room placement without rewiring.
  • Easy-to-install, highly accurate wireless thermostat — programmable weekly schedules + portable design save energy and give room-by-room comfort.
  • Save energy & reduce heating costs: Programmable scheduling and precise temperature control prevent unnecessary heating or cooling. Only heat the rooms you need — cutting your energy bills while staying comfortable
Show More