Heatmiser PRT/Slimline Programmable Thermostat V3

£52.46 Incl. VAT

In stock

Free delivery over £150 (Exceptions Apply)
Next Day Available | 30 Day Return Policy
Further Delivery Information


The Heatmiser PRT/Slimline Programmable Thermostat is a room stat and programmer in one, providing up to 4 different temperatures at different times of the day. The Slimline V3 Thermostat is the ideal upgrade route for those with an existing mains-powered thermostat. commonly use with the Heatmiser Wiring Centre; UH4, UH6 and UH8. Can Also be installed as a stand-alone thermostat for both underfloor and central heating systems.

Heatmiser PRT/Slimline Programmable Thermostat Features:

  • Non-Programmable, 5/2 day, 7 day and 24 hour programming (selectable in software)
  • Thermostat or Timer Mode
  • Self Learning Optimum Start
  • 4 Comfort Levels per Day
  • Remote Air Sensor Facility (Remote Sensor Optional)
  • Temperature Hold Facility
  • Holiday Facility
  • Automatic White Back-Lit Display (Turns off after 30 seconds)
  • Flush Mounting
  • C/F Selectable
  • Key Locking
  • Frost Protection
  • Dimensions: 99x86x15mm (L,H,D)

ErP Class & Ratings

  • Individual Product – I (1%)
  • Multi Room Control with Individual Boiler Interlock –  Class VIII (5%)

This thermostat will replace the old range of Heatmiser PRT Thermostats.

Heatmiser Slimline/PRT Manual

Manual – SlimlineV3

Heatmiser Slimline Datatsheet

Datasheet – SlimlineV3

Heatmiser PRT/Slimline Programmable Thermostat

Delivery Information

We have multiple delivery options

  • Next day carrier
  • 2-3 day carrier
  • Click & Collect from store


The cost of the carriage will be displayed before your final checkout. Free delivery is available on most items for orders over £150, exceptions do apply.


  • Orders will only be dispatched and delivered on weekdays.
  • Orders for the next working day delivery must be placed before 2 pm, this gives us time to pick and pack before the carrier arrives to collect.
  • We aim to dispatch all carrier delivered items within 48hrs, and all items delivered on our own transport within 5 days, Monday to Friday.
  • A dispatch email will be sent when your goods leave us, if delivery is by the carrier, this email will include tracking information. If your order is delayed for any reason, we will contact you.


We pride ourselves on our customer service but mistakes can happen. If you receive an incorrect or faulty item, please notify us within 30 days to arrange a refund, return or exchange.

Heatmiser PRT/Slimline Programmable Thermostat