Therma One T1 smart thermostat
Climate
MV-T1-AN-GR

Therma One T1

A beautifully minimal smart thermostat designed for modern homes. Therma One makes heating control feel calm and effortless, with instant setup, clean scheduling, and a connected service journey.

Elegant control 90-second setup Installer-ready Connected service
Finishes
Technical Specifications

Built to perform

ConnectivityWi-Fi 2.4 GHz, Bluetooth LE 5.0
Display2.1" matte OLED, 320x320px
SensorsTemperature (±0.1°C), Humidity (±2% RH)
PowerHardwired (230V) with battery backup
CompatibilityCombi, system boiler, heat pump (OpenTherm)
Dimensions85 × 85 × 18mm
Weight142g (excl. wall plate)
Operating Temp0°C to 45°C
CertificationsCE, UKCA, RoHS, WEEE
Warranty24 months
What's Included

In the box

✓Thermostat unit
✓Wall mounting plate
✓Mounting hardware (screws, plugs)
✓Quick start guide
✓Regulatory leaflet
Enhance Your Setup

Accessories

Remote Room Sensor
Remote Room Sensor
MV-T1-SENSOR
£39.99
Wireless temperature and humidity sensor for multi-room monitoring. Place in any room to balance heating across your home.
Designer Trim Plate - Brushed Brass
Designer Trim Plate - Brushed Brass
MV-T1-TRIM-BR
£24.99
Premium brushed brass trim plate to complement warm interior finishes. Snap-fit installation over the standard mounting plate.
Designer Trim Plate - Matte Black
Designer Trim Plate - Matte Black
MV-T1-TRIM-BK
£24.99
Premium matte black trim plate for a bold, modern look. Snap-fit installation over the standard mounting plate.
Premium Room Stand
Premium Room Stand
MV-T1-STAND
£34.99
Freestanding aluminium stand for tabletop placement. Weighted base with integrated cable routing.
Wall Adapter Plate (UK standard)
Wall Adapter Plate (UK standard)
MV-T1-ADAPT
£9.99
Adapter plate for mounting over UK standard back boxes. Covers existing screw holes for a clean installation.
Keep It Running

Spare parts

Wall Mounting Plate
Wall Mounting Plate
MV-T1-SP-PLATE
£12.99
OEM replacement wall mounting plate with integrated wiring terminals. Compatible with all Therma One T1 units.
Mounting Hardware Kit
Mounting Hardware Kit
MV-T1-SP-MOUNT
£4.99
Complete set of screws, wall plugs, and fixing hardware for mounting the Therma One to plasterboard or masonry walls.
Battery Cover
Battery Cover
MV-T1-SP-COVER
£7.99
Replacement battery compartment cover. Colour-matched to your unit's finish. Specify finish when ordering.
Help & Guides

Support articles

How to connect Therma One to Wi-Fi How to add a room schedule Therma One is offline - troubleshooting How to reset to factory settings How to move Therma One to a new home Installer commissioning guide OpenTherm compatibility list E01: No signal from boiler

Own this product?

Scan the QR code on your Therma One T1 to register your warranty, access setup guides, and get instant support.

Register Your Therma One

Customer Reviews

Real feedback from verified product owners.