10 Best Electric Timers For Immersion Heaters in The UK

Last updated on 10/08/2025
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Best Choice
1
9.8
Exceptional
Save 4%
Secure E7+ Smart Immersion Heater Timer Control Bluetooth Replacement for Horstmann Electronic 7 Economy 7 Quartz
LavaTap
Secure E7+ Smart Immersion Heater Timer Control Bluetooth Replacement for Horstmann Electronic 7 Economy 7 Quartz
4% Off
Why We Love It
  • Bluetooth-enabled for smart control.
  • Retrofitting is effortlessly easy.
  • Unmatched 7-year warranty.
Main Highlights
  • Suitable for use with single, dual, or twin element immersion heaters
  • Bluetooth-enabled app for local control (Android and IOS) - Full smart control from anywhere with optional Wi-Fi adaptor that does not need a hub or gateway
  • Easy to retrofit using the provided adaptor plate and fully interchangeable with all Horstmann/Secure Economy 7 and Electronic 7 controllers
  • Measures estimated energy consumed for boost and off-peak in kWh via the app
  • Includes 7-day programmer with 3 On Offs straight from the device, more can be added via the app
  • Programmable boost - can be programmed so that it will heat only a small part of your tank at a set time each day
  • Manual Boost button - ideal for 30 minutes, 1, or 2-hour top-up without changing the set program
  • 7 years no quibble warranty
9.8
Exceptional
Save 4%
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Best Value
2
9.8
Exceptional
Save 10%
LANBON L8-HB LCD 20A Heater Timer Smart Switch Work with Homekit/Smart Life APP & Alexa/Google Home,24 Hour Immersion Heater Segment Timer Switch for Storage/Immersion Water Heater/Electric Boiler
LANBON
LANBON L8-HB LCD 20A Heater Timer Smart Switch Work with Homekit/Smart Life APP & Alexa/Google Home,24 Hour Immersion Heater Segment Timer Switch for Storage/Immersion Water Heater/Electric Boiler
10% OffFree Shipping
Why We Love It
  • High-power for efficient heating.
  • Smart home integration available.
  • Voice control with convenience features.
Main Highlights
  • 20A high-power design, the water heater timer switch is suitable for most Electric Boilers & Storage/Immersion Water Heater
  • [Integrated 3 systems]: The smart timer switch has integrated Apple HomeKit, Tuya Smart Life and Smart Living systems, which are largely compatible with your existing home system.
  • L8-HB Timer Smart Switch works with Alexa and Google Assistant. Just use simple commands to control it. Also, the switch support APP remote control.
  • L8-HB Timer Switches Equipped with the power statistics function, it will let you know the monthly power consumption of the boiler clearly.
  • The Smart Timers have 4 groups of time, even if multiple people use it, it will still be organized. Immersion heater timer with auto-off function, you can set the maximum working time allowed for a device to ensure safety.
  • The 4 power buttons correspond to 4 different power on durations to adapt to your different needs. The LCD screen has a countdown indication and will automatically turn off when the time comes, which is safe and convenient.
  • [Tips] 2.4g wifi connection is required, use Apple Home / Tuya Smart Life / LANBON Smart Living APP, NO Hub required
9.8
Exceptional
Save 10%
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3
9.7
Exceptional
Save 8%
Timeguard FST24 24 Hour Fused Spur Timeswitch Storage/Immersion Heater
Timeguard
Timeguard FST24 24 Hour Fused Spur Timeswitch Storage/Immersion Heater
8% Off
Why We Love It
  • Reliable time management solution.
  • High-quality manufacturing.
  • Model offers precision.
Main Highlights
  • Manufacturer name: time guard
  • Model No: BPSCA FST24 - PL14941
9.7
Exceptional
Save 8%
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4
9.5
Superb
CHOSRY Programmable Fused Spur Timer Switch for electric towel rails, heating, and lighting (7 day, 24 hours) (if showing as unavailable, please visit our store at chosry dot com)
CHOSRY
CHOSRY Programmable Fused Spur Timer Switch for electric towel rails, heating, and lighting (7 day, 24 hours) (if showing as unavailable, please visit our store at chosry dot com)
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Why We Love It
  • Programmable for daily convenience.
  • Display ensures easy viewing.
  • Integrated safety and backup functions.
Main Highlights
  • PROGRAMMABLE: Simple to programme with the option to set up to 4 separate programmes per day for either 7 individual days, or 5 days plus 2 days (weekdays/weekends), or every day (same programme every day). In comparison, note that the Timeguard FST24 Fused Spur only allows you to set 4 programmes which are the same for every day of the week.
  • EASY VIEWING: Blue light digital screen, red LED mains ‘POWER' light and green LED 'OUTPUT' indicators
  • HEATING & LIGHTING: Suitable for the majority of electric heaters up to 3KW including immersion heaters, storage heaters, electric towel rails etc. and lighting circuits including LED lighting loads up to 150W, incandescent/halogen lighting loads up to 700W, fluorescent lighting loads up to 500W, CFL lighting loads up to 80W. Not suitable for discharge lighting. Note that the timer requires a live and neutral from the power supply and a live and neutral to the load to operate.
  • FUNCTIONS: Optional 1 or 2 hour Boost and Advance function
  • BACK-UP: Integrated memory back-up battery retains programmes in event of power failure
  • SAFETY: The spur has a two pole isolation and the output is protected by a replaceable fuse
  • CERTIFICATION: CE, UKCA (UK Conformity Assessed)
  • CONTENTS: Timer switch, electrical socket screws, cable clamp, and installation guide
  • DIMENSIONS: 86mm x 86mm x 38mm
  • TECHNICAL ASSISTANCE: For help and advice on the installation and operation of any our products, please visit our website (chosry.com) where we have a selection of videos and blogs which offer step-by-step guides and troubleshooting hints and tips. You can also phone or email us with any questions you may have using the contact details provided.
9.5
Superb
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5
9.3
Superb
CHOSRY WiFi Fused Spur Timer Switch for electric towel rails, heating, and lighting (if showing as unavailable, please visit our store at chosry dot com)
CHOSRY
CHOSRY WiFi Fused Spur Timer Switch for electric towel rails, heating, and lighting (if showing as unavailable, please visit our store at chosry dot com)
Free Shipping
Why We Love It
  • "Programmable from anywhere worldwide. Compatible with many heaters. Includes a countdown timer."
Main Highlights
  • PROGRAMMABLE: Simple to programme using the Tuya Smart app, Smart Life app, Alexa, or Google Assistant, giving you access to control your installation anywhere in the world
  • HEATING: Suitable for the majority of electric heaters up to 3KW including immersion heaters, water heaters, panel heaters, electric towel rails, convector heaters, storage heaters, fan heaters, overdoor heaters and many more
  • LIGHTING: Suitable for lighting circuits including LED lighting loads up to 150W, incandescent/halogen lighting loads up to 700W, fluorescent lighting loads up to 500W, CFL lighting loads up to 80W. Not suitable for discharge lighting. Note that the timer requires a live and neutral from the power supply and a live and neutral to the load to operate.
  • ONE TOUCH: The ability to switch ON and OFF with a simple touch of a button or set multiple programming times
  • APP FUNCTIONS: Includes a countdown timer and energy usage monitoring
  • OPERATING SYSTEM: Available for Android and iOS only. Works with WiFi and 4G/5G
  • CERTIFICATION: CE, UKCA (UK Conformity Assessed)
  • CONTENTS: WiFi timer switch, electrical socket screws, cable clamp, and installation guide
  • DIMENSIONS: 86mm x 86mm x 38mm
  • TECHNICAL ASSISTANCE: For help and advice on the installation and operation of any our products, please visit our website (chosry.com) where we have a selection of videos and blogs which offer step-by-step guides and troubleshooting hints and tips. You can also phone or email us with any questions you may have using the contact details provided.
9.3
Superb
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6
9.2
Superb
Smart WiFi Fused Spur Timer Switch for Immersion Heaters, Electric Towel Rails, Storage Heaters & Lighting - 13A Timer Switch with Power Monitoring | Alexa & Google Voice Control | No Hub Required
Candeo
Smart WiFi Fused Spur Timer Switch for Immersion Heaters, Electric Towel Rails, Storage Heaters & Lighting - 13A Timer Switch with Power Monitoring | Alexa & Google Voice Control | No Hub Required
Free Shipping
Why We Love It
  • Smart scheduling made easy.
  • Voice control for convenience.
  • Energy savings through monitoring.
Main Highlights
  • 🕐 SMART TIMER & REMOTE CONTROL - Advanced programmable timer with scheduling via Smart Life app and Tuya Smart app. Control your immersion heater, storage heater, or towel rail from anywhere in the world. Set daily schedules, countdown timers, and boost functions.
  • 🎙️ VOICE CONTROL & SMART HOME INTEGRATION - Full compatibility with Amazon Alexa and Google Assistant for hands-free voice commands. Works seamlessly with existing Tuya Smart ecosystem. No additional hub or bridge required - connects directly to 2.4GHz WiFi.
  • ⚡ HIGH CAPACITY & DETAILED POWER MONITORING - Handles up to 3000W resistive loads (storage heaters, immersion heaters), 1000W halogen/incandescent, 500W LED, 100W CFL. Real-time power consumption tracking and energy usage history to reduce electricity bills.
  • 🔒 PROFESSIONAL SAFETY FEATURES - Two-pole isolation switch with replaceable fuse for maximum safety. CE and RoHS certified. Perfect for high-power applications like immersion tanks, storage heaters, and electric towel rails in bathrooms.
  • 🛠️ ELECTRICIAN-FRIENDLY INSTALLATION - Compact design with plenty of room for wiring connections. Fits standard 25mm UK backboxes with 2 x 2.5mm T&E conductors per terminal. LED indicators show power and output status for easy troubleshooting.
  • 📱 COMPREHENSIVE APP CONTROL - Compatible with both Smart Life app and Tuya Smart app. Set up to 7-day weekly schedules, create scenes, monitor energy usage, and share device access with family members. Works with existing smart home setups.
9.2
Superb
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7
9.0
Superb
Digital Timer Switch Fused Spur Wall Controller For Electric Towel Rail Radiators Timeswitch
Companyblue
Digital Timer Switch Fused Spur Wall Controller For Electric Towel Rail Radiators Timeswitch
Why We Love It
  • Perfect for diverse heater types.
  • Replaces single gang outlets conveniently.
  • Enhances control with 7-day timer.
Main Highlights
  • Companyblue Digital Fused Spur Timer Wall Controller For Electric Towel Rail Radiators
  • Ideal for immersion heaters, room heaters, towel rails and lighting
  • Replaces existing single gang connection unit or fixed appliance outlets. box min. 25mm deep.
  • 7 Day fused spur timer - Suitable for Single Heat, GT or MEG elements
9.0
Superb
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8
8.9
Excellent
Timeguard NTT03 24-Hour/7-Day Compact Electronic Immersion Heater Timeswitch,White
Timeguard
Timeguard NTT03 24-Hour/7-Day Compact Electronic Immersion Heater Timeswitch,White
Why We Love It
  • Convenient easy-set program periods.
  • User-friendly extra large screen.
  • Clear LED indicators display status.
Main Highlights
  • 4 on/4 off easy-set programme periods per day, 28 on/28 off programmes per week
  • Extra large 'easy view' Screen with blue LED backlighting
  • Red LED 'mains on' And green LED 'output' Indicators for easy viewing
  • 16(4)A load rating
8.9
Excellent
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9
8.8
Excellent
1-5 Hours Booster Timer Switch Fused Spur Wall Controller For Electric Towel Rail Radiators Timeswitch
Companyblue
1-5 Hours Booster Timer Switch Fused Spur Wall Controller For Electric Towel Rail Radiators Timeswitch
Free Shipping
Why We Love It
  • Automatic timer counts down efficiently.
  • Ideal for various home appliances.
  • Easy push button selection feature.
Main Highlights
  • Automatic timer countdown selection for up to 5 hours – 13A (3kW) loading.
  • Ideal for immersion heaters, room heaters, towel rails and lighting
  • Replaces existing single gang connection unit or fixed appliance outlets. box min. 25mm deep.
  • Easy push button selection with clear LED output status.
8.8
Excellent
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10
8.7
Excellent
Save 6%
HBN 24 Hour Indoor Energy Saving Mechanical Immersion Heater Segment Timer Switch with Waterproof Cover, White, 16 Amps
HBN
HBN 24 Hour Indoor Energy Saving Mechanical Immersion Heater Segment Timer Switch with Waterproof Cover, White, 16 Amps
6% OffFree Shipping
Why We Love It
  • Complete instructions provided.
  • Reduces energy consumption effortlessly.
  • Versatile for various applications.
Main Highlights
  • 【 Easy to Use】: Complete instructions provided in packaging. This timer switch can be set for appliances to on/off 48 times a day. You can set your own schedule for when to activate or deactivate the devices.
  • 【Product Features】: Wire connection; 48 ON/OFF per day; With load indicator; With ON/OFF/Timing switch knob; With transparent cover; Depth: Min.15MM; Min. Setting time: 15 minutes; Max. Setting time: 24 hours.
  • 【Multi Purpose】: Can be used for controlling corridor light system, water pump system, heating/cooling system, security system, advertising board lighting controlling, exhaust system etc.
  • 【Make Your Life More Convenient】: This timer switch automatically turns your appliance on and off, eliminating the need to manually switch each time, reducing energy consumption and saving energy costs.
  • 【Satisfaction Guarantee】: CE Certificated ensure its safety. Please be assured purchase, this timer would be a good helper for your daily life.
8.7
Excellent
Save 6%
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