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Johnson Controls A421ABC 04C Line Voltage Temperature Review

2

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🛠️ Scanners & Testers, 📏 Measuring & Layout Tools

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Description of Johnson Controls A421ABC 04C Line Voltage Temperature

Easy-to-read, bright, adjustable backlit LCD screen displays the temperature. Basic and advanced programming menus allow you to easily set up your control application on the LCD using a simple three-button touchpad interface. Adjustable On and Off temperature set points enable easy to set up cooling or heating. Item Package Dimension: 5.0" L x 5.0" W x 5.0" H.

Reviews

Global ratings 2
  • 5
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  • 4
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  • 3
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  • 2
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  • 1
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Type of review

Revainrating 5 out of 5

Heating Control Made Easy!

This temperature scanner is a game-changer in the world of heating control! The digital display provides clear and accurate temperature readings making it easy to adjust to desired temperatures. The installation is simple and straightforward, even for non-professionals. This scanner is an excellent addition to any home improvement toolkit. The only downside is the lack of remote control functionality... Overall, this is an excellent purchase for anyone looking to maintain a consistent…

Pros
  • Accurate temperature control for heating and cooling systems.
Cons
  • Only compatible with line voltage systems, limiting its use in certain settings where low voltage systems are used.

Revainrating 5 out of 5

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