The Delfield 2194372 thermostat regulates temperature in compatible commercial refrigeration equipment through its adjustable control mechanism. Measuring 2-1/2" x 3-3/8", it features a 1/4" round shaft and 1/8" pins for its specified mounting and connection arrangement. Adjusting the control changes the thermostat setting, allowing the connected refrigeration system to respond to tem... https://partsfe.com/thermostat-for-delfield-part-2194372/1-2194372.html