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Gjac's avatar
Gjac
Explorer III
Jul 13, 2014

How to check a refer cooling unit for blockage

Every year I read a lot of posts about clogged cooling unit tubes. Every year when my 18 year old Norcold 682IM is above 40 degrees in the refer compartment I wonder if it is getting clogged. It was 9...
dougrainer's avatar
dougrainer
Nomad
Jul 15, 2014
The temp measurement will be at the burner flue as that is the area that heats up(overheats) when you have a partial or blocked cooling unit. The normal temp of a Norcold 1200(dual 120 elements at 450 watts total is around 350 degrees. SO, a Dometic 2 door or Norcold 2 door uses a 325 watt element, so I will guess that temp in the 325 degree range. The Norcold recall box is set to trip at over 700 degrees. So, you have a variable of over 350 degrees before the recall trips. Doug

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