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Johnson Controls A419 Thermostat
Reviews Views Date of last review
3 11589 Tue March 20, 2018
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Recommended By Average Price Average Rating
100% of reviewers $104.50 9.3
JohnsonControlsA419.jpeg


Description: Electronic Temperature Control

Combines keypad programming with a liquid crystal display (LCD) to provide greater built-in control versatility. A large display screen lets users check between setpoint and temperature at a glance, and a bright LED also makes it easy to see relay status. Even with these convenient features, the A419 is the most compact electronic temperature control currently available. The A419 features a single-stage temperature control with a single-pole, double-throw (SPDT) output relay, which makes it ideal for use with refrigeration and HVAC equipment, including frozen and refrigerated food cases, beverage coolers, and pump and boiler applications. It operates on 120 or 208/240 volts and its interchangeable sensor can be mounted up to 800 feet from the control unit. An adjustable anti-short cycle timer prevents controlled equipment from restarting immediately after shutdown.

Features:
  • Reliable Electronic Accuracywith a Liquid Crystal Display that clearly displays the current sensor temperature and other functions.
  • Versatile Set-point and Differential - Adjustments that allow user to quickly and easily configure the A419 to cut-in on temperature rise or drop in either the Cooling or Heating mode.
  • Easy Fingertip-Touch Programming that can be locked to deter unauthorized adjustments of the control.
  • Adjustable Temperature Offset that changes the set-point when activated by a user installed binary input, such as a switching time clock.
  • Light Emitting Diode that indicates output relay status.
  • Adjustable Anti-Short Cycle Delay that prevents the controlled equipment (e.g. Compressor) from cycling on for up to 12 minutes after the A419 has cycled it off.
  • Interchangeable Remote Sensor that may be mounted up to 800 ft (244m) from the A419.
  • Sensor Failure Indication that alerts user to problems with the sensor circuit and operates the controlled equipment either on or off according to user selected mode.
  • Compact, High Impact Plastic, NEMA 1 Enclosure with captive cover screws, suitable for direct surface mount or standard DIN rail mount
Keywords: Johnson thermostat A419


Author
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Dodgeviper242
Registered User

Registered: March 2010
Location: Jackson, NJ, USA
Posts: 32
Review Date: Thu April 29, 2010 Would you recommend the product? Yes | Price you paid?: $104.00 | Rating: 10 

 
Pros: Now has built in Night Drop only at Reptile Basics
Cons: NONE

I paid $104 for something that you can get for $130-150. This great has night drop and all!!! Great item had my snakes breeding within the next 24 hours and this is the truth. Reptile Basics only the best.
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andrewsteves
Banned

Registered: November 2017
Location: Washington
Posts: 1
Review Date: Tue November 14, 2017 Would you recommend the product? Yes | Price you paid?: $105.00 | Rating: 10 

 
Pros: changing expremes
Cons: none

I used it for the Biology class experiment, when I had to write report and explain how the plants depend on the temperature changes. It took me 2 weeks, but the results were incredible. With the temperature control, I changed the higher and lower extremes.

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Experiments, reports, articles - buy essay with easy service.
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matthew119
Registered User

Registered: March 2018
Location: Manchester, NH
Posts: 1
Review Date: Tue March 20, 2018 Would you recommend the product? Yes | Price you paid?: None indicated | Rating: 8 

 
Pros: Extremes
Cons: None

We used this product in the practice of my biology in my university. It gives us amazing results and we were really impressed to see the result of it.

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Provide Reports, Dissertation proposal writing help, and other services.
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