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High Ambient Tolerance: Rated for operation in extreme temperatures ranging from -40°F to 205°F
this unit supports selectable pressure ranges from 0-10" WC (0-2
For technicians servicing steam or hydronic systems
or if the voltage drop across closed contacts exceeds 2V AC under load
Johnson Controls A70HA-1 Temperature Control 30067439-890 High Ambient Tolerance: Rated forThe 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
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