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Heatmiser

Heatmiser Slimline-B V3 – Battery Powered Programmable Room Thermostat

Heatmiser Slimline-B V3 – Battery Powered Programmable Room Thermostat

Regular price £39.95
Regular price Sale price £39.95
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SKU:Slimline-B V3

The Heatmiser Slimline-B V3 is a sleek, battery-powered programmable room thermostat designed for simple and flexible control of conventional central heating systems.

Powered by 2 x AAA batteries, this thermostat is ideal for retrofit heating upgrades, replacement thermostat installations and locations where mains power is not available. With a large backlit display, multiple programming modes and up to 4 comfort levels per day, the Slimline-B V3 gives users accurate and convenient heating control.

Key Features

Battery Powered Runs on 2 x AAA batteries, with no mains power connection required.
Flexible Programming Modes Choose from non-programmable, 5/2-day or 7-day heating schedule control.
4 Comfort Levels Per Day Set multiple temperature periods to match daily routines and improve comfort.
Large Backlit Display Clear white backlit screen for easy reading, even in low-light areas.
Frost Protection & Key Lock Helps protect the heating system in cold weather and prevents unwanted setting changes.

Product Specifications

Specification Details
Product Type Battery powered programmable room thermostat
Brand Heatmiser
Model Slimline-B V3
Power Supply 2 x AAA batteries, included
Programming Modes Non-programmable, 5/2-day and 7-day programmable modes
Comfort Levels Up to 4 comfort levels per day
Temperature Range 5°C – 35°C
Display Large white backlit display with 30-second auto-off
Modes Temperature hold, holiday mode and frost protection
Security Key lock to prevent tampering
Mounting Wall mounted, fits standard backplate
Dimensions 98mm H x 85mm W x 24mm D
SKU Slimline-B V3

Ideal For

  • Central heating thermostat control
  • Gas boiler and combi boiler heating systems
  • Zone valve heating setups
  • Replacing traditional room thermostats
  • Retrofit heating upgrades where mains power is not available
  • Homes, rentals and light commercial heating control

Why Choose the Heatmiser Slimline-B V3?

The Heatmiser Slimline-B V3 battery thermostat gives homeowners reliable programmable heating control without the need for mains wiring. Its flexible scheduling, backlit display, frost protection and key lock make it a practical upgrade for conventional central heating systems, especially in retrofit projects.

Please note: The Slimline-B V3 is designed for conventional central heating control and is not suitable for electric underfloor heating.

Quick Summary

A battery-powered Heatmiser Slimline-B V3 programmable room thermostat with 2 x AAA batteries, 5/2-day or 7-day scheduling, 4 comfort levels per day, large backlit display, frost protection, key lock and temperature hold mode.

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