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Hydrolevel Hydrolevel 650SV 120V Automatic Reset Low Water CutOff with Short &Test partsautozone EXQUISITE Stretchy
Original price was: $224.45.$56.83Current price is: $56.83.
Description
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.
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