The Ranco ETC is a microprocessor based temperature controller suitable for switching 120Volts at up to 16Amps for heating or cooling applications making it suitable for a wide range of applications.  This is a great universal controller for any application where switching 120Volts or temperatures outside that of a normal home thermostat is required.  The sensor with an 8' foot cable and instructions are included with the unit. 

The Ranco ETC-211000 is identical to the Ranco ETC-111000 except that this unit is 2 stage, and has 2 relays to control both heating and cooling at the same time or two heating or cooling stages.  (The output relay NC and NO ratings are also different than the single stage control).

Specifications

• Temperature setpoint range: -30 to 220°F
• Control Ambient Operating: -20 to 140°F
• Differential range: 1 to 30°F
• Enclosure Plastic: NEMA 1
• Switch Action: SPDT
• No. of Stages: Two
• Power: 120 or 208/240 VAC
• O to 10 Volt Output: No
• Dimensions: 6.52" high x 2.7" wide x 2.48" deep