Daikin-McQuay 4ELN9178 Freeze Stat 30067439-890 High Electrical Capacity: Load-carrying contacts

High Electrical Capacity: Load-carrying contacts support direct control of AC motors up to 240V for simplified wiring in refrigeration circuits

you can swap the internal paper indicator using a standard service kit if the glass becomes stained or the sensor is damaged by acid

Always check for blocked flues or cracked tubing before replacing the vent pressure switch

it will compromise the vacuum seal and prevent the furnace from firing

and Robertshaw

Daikin-McQuay 4ELN9178 Freeze Stat 30067439-890 High Electrical Capacity: Load-carrying contactsThe 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