New hydrolevel 170 low water cutoff 120V safgard in box

What is for sale: New hydrolevel 170 low water cutoff 120V safgard in box

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LOOK AT ALL OF MY HVAC CONTROLS AND PARTS!
* Model: 170 Low Water Cut-Off
* Auto Reset: Shuts down the burner when water drops below the probe. Automatically recompletes the burner circuit upon return of a safe water level
* Reliable Electronic Operation
* Inexpensive to Own and Operate
* Brand New In Box - Factory Seal Still Affixed
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Hydrolevel low water cut-offs are electrically operated. A probe is installed in the boiler shell or external manifold and is connected to the control unit. Water is used as a conductor to complete the circuit between the probe and the boiler shell. When water is in contact with the probe, the circuit is completed; when the water level drops below the probe, the circuit opens. Hydrolevel controls provide contacts to de-energize the burner circuit in a low water condition.