Thermostaat Ranco analogue K50-S3585 with insulated wire

Analogue thermostat from Ranco type K50-S3585 with insulated wire. This thermostat is specially for undercounter beer coolers from Lindr. The insulated wire prevents impurities from the water to attach to the thermostat wire in undercounter beer coolers which ensures a longer life time of the thermostat.