Temperature Sensor Cable Selection: Indoor (8m) & Outdoor (20m) - Best Options & Recommendations

Hello
I have a question about what wire to lay for the temperature sensor which will be inside the house about 8m from the cooker and the other sensor outside the house at a distance of about 20m.

What type of sensor is it? What device does it work with?

This is what I do not know what type the sensors are to be and they are supposed to work with the stove, and exactly with its controller, but I do not have any about these sensors and I have to put the cables and here is the problem

Please correct the spelling of the post. [retrofood]

Hi. You do not write anything about the type of controller and furnace. For the Buderus cooker, generally YDY2x1.5 type installation wires are used indoors and YKY2x1.5 outside.Regards.

Hello
Most of the wiring in boiler rooms for outdoor temperature sensors I make: OMY 2 * 0.75
I never put larger cross-sections, there is then a problem with connecting a thicker wire in the sensor itself or on the boiler plate - although here it is easier to extend or reduce the wire - but it is always additional time spent on arming the boiler room. Lead a 3 * 0.75 in line to the external sensor.
The question is what sensor is inside? Maybe more about a temperature controller? If it is the latter, then very often the boiler automatics "cut" is a regulator with a NO relay, it is supplied with a voltage of 230V - according to the provisions of min. the cross-section of the permanently laid cable is 1.5mm - I would put a 3 * 1.5mm line

Regards