On eBay Now...Johnson Controls/Penn A421 series electronic temperature controller. For Sale
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Johnson Controls/Penn A421 series electronic temperature controller.:
$50.00
The Johnson Controls/Penn A421 series electronic temperature controller is a high-quality unit designed for use in HVAC and refrigeration systems. This controller, powered by a corded electric source. Made from durable plastic material, it has an amperage of 40A and operates on a single phase power. Compatible with Johnson Controls brand systems, this electronic temperature controller is a valuable addition to any industrial or commercial HVAC setup.
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