The mechanical thermostats (temperature sensing switches) supplied with most boat refrigerators work fine for two years or so.
Replacement refrigerator thermostat.Fit Type: Universal Fit Fits Dometic refrigerators Use as an exact replacement for the original thermostat
MC Enterprises 2007199009MC Thermostat with Dual O-Rings for Dometic Refrigerators
What Is A Built-In Refrigerator? KitchenAid
Pictures of Item. Photoelectric switch. Proximity switch. Motor and encoder.
QTY:2 NEW For Refrigerator thermostat thermostat copper insert WDF25K-1070-028
Replacing electronic thermostat with mechanical parts
MODEL NUMBER: 2198202 Refrigerator Cold Control Thermostat REPLACES PART NUMBERS: 1110552, 1115242, 1115243, 1115244, 1115245, 1129437, 2161283,
2198202 Refrigerator Cold Control Thermostat Replacement Compatible for Whirl-Pool Refrigerators Replaces 2161284 2198201 PS11739232 AP6006166
Fitting electronic thermostats to fridge freezer
Refrigerator Freezer Thermostat Temperature Controller
Fashion products thermostat for refrigerator
Replacing electronic thermostat with mechanical parts