The Ranco K55-Q5606 Temperature Control Thermostat 3°F-15°F is a reliable cold-temperature regulation switch engineered to maintain precise climate conditions in commercial refrigeration and freezing equipment. Operating through a fluid-filled capillary sensing bulb, it detects minor thermal shifts within a 3°F to 15°F range and expands or contracts internal bellows to trigger electri... https://partsfe.ca/k55-q5606-ranco-tstat