Detect low water and other fluids with Model 157 level relay. The output relay is activated when liquid touches the probe. As the liquid level drops below the probe, the relay is deactivated. If the tank is non-conductive, a second (common) probe must be installed at a level where it will always be submerged.
Features:
● 100% functionally tested
● Solid state sensing circuitry
● Isolated UL Class ll sensing voltage
● 1/4" male fast-ons for circuit connection
● Conformal coating to protect circuit from harsh environments
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