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Precise Switching: The Open-on-Low (Open-Lo) action ensures SPST switch reliability for compressor or fan-cycling applications
it provides reliable mechanical over-pressure and thermal protection
21 lb "cube" style relay fits easily into crowded control panels or standard relay sockets
the valve remains closed and opens when the appropriate solenoid coil is energized
Johnson Controls A19ZBC-2 Temperature Control THPU32HP7Y Precise Switching: The Open-on-Low (Open-Lo)For industrial refrigeration specialists managing commercial display cases, the Johnson Controls A19ZBC 2 provides a reliable electromechanical solution for integrated defrost termination and fan delay. This remote bulb mechanical temperature control is engineered with a single pole, double throw (SPDT) switch configuration, allowing for precise transitions between defrost cycles and regular cooling operations. The A19ZBC 2 features a factory preset