Freezer thermostat K56 S1970 (TAM-125), with a capillary tube 2 meters, compatible with Atlant XM-6025-031 freezer, Atlant XM 6023 100, MXM 1704, interchangeable with TAM-145. Can be replaced with thermostat K57-L2829 without using 8th contact. If on your old K56's contacts were turned differently, it does not matter, you just need to connect in the same sequence