After almost two days from the installation, to obtain a precjse scale adjustment, measure the room temperature with a reference thermometer, placed aside the thermostat, Holding the shagrened part of the Knob, turn the index with a coin,to reach the same value of the thermometer, We suggest to install the equipment at about 1.5 mt from the floor and from any heat source.
NTL-2000A: With internal gas filled sylphon
NTL-2000B: With ON/OFF switch, With internal gas filled sylphon
NTL-2000C: With LED indicator, With internal gas filled sylphon
NTL-2000D: With ON/OFF switch and LED indicator, With internal gas filled sylphon