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Review on Johnson Controls A421ABC 04C Line Voltage Temperature by Sean Garrison

Name: Johnson Controls A421ABC 04C Line Voltage Temperature
Item: Johnson Controls A421ABC 04C Line Voltage Temperature
Rating: 5

August 23, 2022

Excellent control. Very diverse.

I have been using this type of Johnson controller for many years. They have always offered great flexibility for an almost infinite range of temperature applications. Highly recommended.

Pros

Temperature and Humidity

Cons

No Instructions

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