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How to Program a Johnson A419 Thermostat

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Published: Feb 10, 2010

Updated: Nov 20, 2021

1 minute read

Because the Johnson A419 is compact and offers a digital display, it is easier to program than some other similar thermostats.

Press and hold the “Menu” button until the display flashes “SP” (for setpoint temperature).
Press the “Menu” button again to display the current setpoint.
Press the “Up” or “Down” button to adjust the current setpoint up or down accordingly.
Press the “Menu” button to save your setpoint.

References

Tips

Switch between Celsius and Fahrenheit by pressing the “Up” and “Down” arrow buttons simultaneously.

Warnings

If you don’t make any programming entries for 30 seconds while programming is in progress, the screen will revert back to the normal temperature display.

Photo Credits

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Kayla Lowe

Kayla Lowe has been a freelance writer since 2008. She writes for various online publications and is also the author of the book "Maiden's Blush," a Christian-fiction romance novel. Lowe is pursuing a degree in elementary education.