Johnson Controls A421GBF-02C Temperature Control, Close On Rise, Open On Rise,

Johnson Controls A421GBF-02C Temperature Control, Open/Close on Rise 24v.

PENN A421 ABG-02C Temperature Controller, unused

Johnson Controls A421ABC-04C Temperature Control, SPDT, -40 to 212°F, 120/240VAC

Johnson Controls MS-FEC1621-1 Field Equipment Controller

PENN A421 Refrigeration Controller Temperature Control Unit A421ABC-02

Penn / Johnson Controls A421abc-04. Brand New. Open Box.

Johnson Controls A421GBF-02C Single Stage Digital Temperature Control, 24V, SPDT