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PENN Johnson Controls A421 Temperature Controller w/ Sensor – 120/240V - $50 (Ithaca)
condition:
good
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Model: A421ABC-02
Used in a solar heating system and approximately 10 years old. Removed when the system was taken out.
Features:
Electronic heating/cooling temperature controller
120/240 VAC
Digital LCD display
Adjustable temperature control
Temperature range: -40°F to 212°F
Includes attached temperature sensor/probe and cable
Can be used for hydronic heating, solar heating, HVAC, refrigeration and other temperature-control applications
Surface or DIN-rail mountable