Johnson Controls A70HA-1 Temperature Control 30067439-890 or if the voltage drop

or if the voltage drop across closed contacts exceeds 2V AC under load

For technicians servicing steam or hydronic systems

Featuring a rugged aluminum body and 1/2" NPT connections

and International Comfort Products (ICP) HVAC systems

featuring both a foot mount and a single threaded 1/2 inch NPT hub for secure attachment to 4x4 junction boxes or equipment panels

Johnson Controls A70HA-1 Temperature Control 30067439-890 or if the voltage dropThe Johnson Controls A70HA 1 is a commercial grade, low limit temperature control engineered for critical refrigeration and heating applications. Designed with a vapor pressure sensing element and a 20 foot capillary, this controller provides precise monitoring across a 15F to 55F range. As a manual reset temperature switch, it prevents automatic equipment restarts after a low temperature cutout, ensuring a technician can inspect the system before