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Heatmiser

Heatmiser Slimline-B V3 – Battery Powered Programmable Room Thermostat

Heatmiser Slimline-B V3 – Battery Powered Programmable Room Thermostat

£37.95
£37.95
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Heatmiser Slimline-B V3 – Battery Powered Digital Thermostat

The Heatmiser Slimline-B V3 is a sleek, battery-powered programmable thermostat ideal for controlling central heating systems without the need for mains power. Its compact design, large backlit display, and flexible scheduling make it a perfect upgrade for traditional thermostats.

This thermostat operates using 2 x AAA batteries (included), making it suitable for homes or locations where hardwired power isn't available.

🔹 Key Features:

  • Battery Powered (2 x AAA included) – No mains wiring required
  • Large Backlit Display – Clear visibility, even in low light
  • Programmable Modes:

Non-programmable

5/2-day (weekday/weekend)

7-day (individual days)

  • 4 Comfort Levels Per Day – Tailor your heating to your daily routine
  • Temperature Hold & Holiday Modes – Override schedules temporarily or while away
  • C / F Selectable – Choose your preferred temperature unit
  • Frost Protection – Protect your system during colder months
  • Key Lock – Prevent tampering, ideal for family or rental use
  • Wall Mountable – Fits any standard backplate

🔧 Technical Specifications:

  • Power Supply: 2 x AAA batteries
  • Temperature Range: 5ºC – 35ºC
  • Mounting Type: Wall-mounted
  • Display: White backlight (auto-off after 30 seconds)
  • Dimensions: 98mm (H) x 85mm (W) x 24mm (D)

Click for: Product Installation & Data Sheet

🔹 Frequently Asked Questions (FAQs)

1. What type of heating system is the Slimline-B V3 compatible with?

The Heatmiser Slimline-B V3 is designed to control conventional central heating systems, including gas boilers, combi boilers, and zone valve setups. It is not suitable for electric underfloor heating.

2. Is the Slimline-B V3 battery powered?

Yes, the thermostat is powered by 2 x AAA batteries, which are included. It does not require a mains power connection, making it ideal for retrofit installations.

3. Can I program different schedules for weekdays and weekends?

Yes. The Slimline-B V3 offers three scheduling modes:

  • Non-programmable mode
  • 5/2-day mode (separate settings for weekdays and weekends)
  • 7-day mode (individual settings for each day)

4. Does the thermostat have a backlit display?

Yes, the thermostat features a white backlit LCD display that turns off automatically after 30 seconds to save battery life.

5. How many temperature settings can I program per day?

You can set up to 4 comfort levels per day, allowing full control of your heating throughout the day.

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