This is a two stage controller meaning that it has the capability to control both a heating and a cooling source.
- Bright 4-digit LED display that is perfect for all light conditions
- Replaces Ranco ETC and Johnson Controls A419
- Dual 20 amp relays
- PTC temperature sensor included (-67 to 302 degrees F) with optional RTD sensor available (0 to 600 degrees f)
- Easy programming with calibration and lock-out mode standard
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