Hi, my current thermostat has a live common wire beside the no and nc connections. where would this connect on your block.

The permanent 230Vac wire should be connected to the terminal marked 'L'

If power losed does it keep programs schedule

Yes. Had many power cuts here in a rural village, haven’t had to re-programme once.

Can a limit be set to the floor temperature (to protect laminate at max 27degC) whilst still having control of the room air temperature?

Yes, high temperature limit and low temperature limit can be set.

I only have 3 wires on my old thermostat

3 wires are not applicable, 4 wires are needed to connect to the KETOTEK thermostat.

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Description

🔥 Stay cozy, save energy, and control your comfort with a tap or a word! 🏡

SMART WI FI CONTROL - Manage your floor heating from anywhere via Smart Life/Tuya app for ultimate convenience.
SECURE USER FRIENDLY - Lock settings to prevent unauthorized changes and enjoy features like anti-freeze and high-temp protection.
VOICE ACTIVATED COMFORT - Seamlessly adjust your home temperature hands-free with Alexa or Google Assistant integration.
ENERGY SAVING AUTO PAUSE - Detects sudden temperature drops (like open windows) and pauses heating to cut wasted energy.
CUSTOMIZABLE HEATING SCHEDULES - Optimize energy use with flexible 5-2, 6-1, or 7-0 day programming and multiple daily time slots.

The KETOTEK Smart Thermostat KTF0155A is a sleek, flush-mounted WiFi thermostat designed for electric underfloor heating systems up to 16A. Compatible with Alexa and Google Assistant, it offers app-based remote control, customizable multi-day scheduling, and smart energy-saving features like auto pause on temperature drops. With an LCD display, external NTC probe, and secure lock function, it combines modern convenience with efficient heating management.

Specifications

Manufacturer	KETOTEK
Part number	KTF0155A
Item Weight	255 g
Product Dimensions	4 x 8.6 x 8.6 cm; 255 g
Item model number	KTF0155A
Size	16A Electric Floor Heating
Colour	White
Style	WiFi, programmable
Material	ABS
Shape	Square
Power source type	Corded Electric
Voltage	230 Volts
Item Package Quantity	1
Display style	LCD
Plug profile	Wall Mount
Special Features	Programmable, Temperature Display, Vacation Mode
Specific uses	Heating
Included components	thermostat, 2 screws, 2.5m NTC 10K external temperature probe, and manual
Batteries included?	No
Batteries Required?	No

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