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How to Take Care of your Kamado Joe Grill


John Setzler
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  • 5 months later...

I've got a dome temperature gauge that is reading about 20 degrees low, the best I can tell.  I have tried adjusting by using the boiling water technique, but I don't really see any change, even after a full turn of the screw on the back of the gauge. 

 

From the few videos that I have seen on this topic, it would appear that only a small adjustment on the screw is needed, which make me hesitant to go beyond the full turn.  I am curious to hear others experience with this adjustment, and should I go further than one turn or is there something wrong with the adjuster internally.

 

I have attached a fireboard prope to the KJ dome gauge with a clip and confirmed the temperature difference along with a TP20 probe on the grate.  The FB and TP probe are within a couple degrees, which seems reasonable considering the probe locations.

 

 

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@Boots you should turn it however far it needs to be turned to make it read properly in your boiling water.

 

DO NOT try to calibrate your dome thermometer with a reading from a different probe inside the grill, even if they are close and even touching each other.  Just use the boiling water.

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Thanks John. The mention of the other two probes was not for calibration, but confirmation that the gauge needed to be calibrated. 

 

I tried using the boiling water method as described in the first paragraph and have given the adjusting screw about a full turn with no real difference observed. I am using a paint stick with a hole drilled in it over a pot of boiling water.

 

Thank you for confirming that I can keep going.  I was afraid that I was going to break something by going too far!

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On 4/24/2021 at 1:50 PM, John Setzler said:

@Boots you should turn it however far it needs to be turned to make it read properly in your boiling water.

 

DO NOT try to calibrate your dome thermometer with a reading from a different probe inside the grill, even if they are close and even touching each other.  Just use the boiling water.

Remember, water boils at a lower temp at higher elevations, so find the boiling point for your elevation.

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