As the UK's biggest underfloor heating store, we're dedicated to offering competitive prices. We regularly monitor market prices and are ready to beat any competitor price. Simply give our sales team a call!
Dave,
Allen
and 400,000+ others love our products!
For delivery on Tuesday
When ordered before 4pm (On weekdays)
Upgrade your home's heating with the Heatmiser Slimline-W Programmable Thermostat V4—a powerful 230V thermostat that seamlessly combines the features of a room thermostat and a programmer. Designed for precision, convenience, and energy efficiency, this sleek device lets you take full control of your indoor climate with ease.
Key Features
Customisable Heating Schedules: Set up to four different temperature levels throughout the day for optimal comfort and energy savings.
Smart Self-Learning Preheat: The thermostat calculates the exact heat-up time required to reach your desired temperature, optimising energy usage.
Temperature Hold Feature: Temporarily adjust the temperature for a set duration before resuming normal scheduling.
Secure Key Locking: Prevents unauthorised adjustments, perfect for shared spaces or homes with children.
Flexible Programming Options: Choose between non-programmable, 5/2-day, and 7-day modes to fit your lifestyle.
Clear & Energy-Efficient Display: A blue backlight LCD screen ensures visibility, with an auto-off function to save energy.
Holiday Mode: Set a lower temperature while you're away to conserve energy and ensure a warm welcome when you return.
Temperature Unit Selection: Easily switch between °C and °F as per your preference.
Frost Protection: Adjustable settings prevent freezing and potential damage to your heating system.
Technical Specifications
Feature
Specification
Max Output
Volt Free, 3A Max
Power Supply
230V
Dimensions (L x H x D)
99 x 86 x 15mm
Temperature Range
5°C – 35°C
No. of Heating Levels
4
Optional Probe (Not Included)
Floor or Thimble Sensor
Probe Rating
10K ohm
IP Rating
IP20
Installation Guide
Carefully remove the front panel of the thermostat using a small flat-head screwdriver.
Secure the backplate to a 35mm deep electrical back box.
Wire the thermostat according to the provided wiring diagram.
Reattach the front panel, ensuring a secure connection.
⚠ Important Installation Notes:
Do not install the thermostat near direct heat sources, as this may affect its accuracy.
Avoid pressing hard on the LCD screen to prevent damage.
Why Choose the Heatmiser Slimline-W?
With its intelligent heating control, flexible programming, and energy-saving features, the Heatmiser Slimline-W Programmable Thermostat V4 is the perfect solution for homeowners looking to optimise their indoor climate while reducing energy costs.
At Underfloor Heating Direct, we strive to make every step of your order as easy and convenient as possible, from finding the right underfloor heating setup to best suit you to taking delivery of your system the very next day.
We're proud to offer a range of delivery options to suit you:
2-3 working days delivery
Next working day (Order before 4pm Monday - Friday)
Next working day before 12 noon (Order before 4pm Monday - Friday)
At Underfloor Heating Direct, our customers have 30 days to upgrade, replace or refund their orders.
Returns
At Underfloor Heating Direct, we want to ensure you are happy with every purchase you make. If you have any issues with your chosen product, whether damaged, faulty or simply an unwanted item, you can simply return what you bought for a refund.
Replacements
We take great care in the delivery of all of our products, however, in the event of your delivery arriving damaged or if you notice a manufacturing fault of any kind within 48 hours of delivery, you're within your rights to a replacement.
Upgrades
Within 14 days of purchasing from us, you are eligible to upgrade if you deem you want something a little better. Simply send it back to us brand new and we'll happily assist you with an upgrade to your order.
At Underfloor Heating Direct, we are committed to providing our customers with high-quality products and outstanding customer service. That's why we offer a comprehensive warranty on all of our underfloor heating products, with a 10 year warranty for our electric underfloor heating kits.
Our warranties are designed to give you peace of mind and ensure that your underfloor heating system operates reliably for years to come.
Get A Quote
Contact Our Team
30 Day Returns
