Norcold AC Heater 638374 (fits the Polar N7/ N8/ N10/ and newer N6XX/ N8XX models)
This is the AC heating element that works on the following models:
- N7
- NA7
- N8
- NA8
- N10
- NA10
- All N611, N621, N641, N811, N821, N841 models manufactured after 2006.
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I tried cheaper A/C heater units (2) bought on Ebay, from 2 different sellers and they all burned out -literally burned off where the power cord enters the heater element body. Fortunately it's fused or they could have started a fire in our RV. Buy Norcold OEM from these guys!!!