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Always verify the flow arrow on the casting during installation
you can swap the internal paper indicator using a standard service kit if the glass becomes stained or the sensor is damaged by acid
specifically for refrigeration cooling cycles
High Electrical Capacity: Load-carrying contacts support direct control of AC motors up to 240V for simplified wiring in refrigeration circuits
and Robertshaw
Daikin-McQuay 4ELN9178 Freeze Stat 30067439-890 Always verify the flow arrowThe Daikin McQuay 4ELN9178 Freeze Stat is a critical HVAC low temperature thermostat engineered for high precision coil protection in commercial air handling units and heat pump systems. Featuring a 144 inch capillary tube, this sensing element provides comprehensive coverage across the coil face to detect localized freezing conditions. The mechanical SPDT switch offers versatile control logic, operating with a fixed cold cut in at +38F and a warm cut